The Density of Rational Numbers
Home Link 3-2
Reviewing Decimal Addition and Subtraction
Home Link 3-3
Reviewing Decimal Multiplication
Home Link 3-4
U. S. Traditional Long Division with Whole Numbers
Home Link 3-5
Exploring Long Division with Decimals
Home Link 3-6
Exploring Peruvian Flutes
Home Link 3-7
Introducing Percents
Home Link 3-8
Finding Percents
Home Link 3-9
Percents as Ratios
Home Link 3-10
Exploring Percent Problem-Solving Strategies
Home Link 3-11
Introducing Box Plots
Home Link 3-12
Making Box Plots and Finding Interquartile Range
Home Link 3-13
Comparing Data Representations
Home Link 3-14
Unit 3 Progress Check
Home Link 3-15
Everyday Mathematics for Parents: What You Need to Know to Help Your Child Succeed
The University of Chicago School Mathematics Project
University of Chicago Press
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For questions 1 to 10, sketch the linear equation using the slope intercept method.
For questions 11 to 20, sketch the linear equation using the [latex]x[/latex] and [latex]y[/latex] intercepts.
For questions 21 to 28, sketch the linear equation using any method.
Intermediate Algebra Copyright © 2020 by Terrance Berg is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License , except where otherwise noted.
Engage ny eureka math 6th grade module 4 lesson 6 answer key, eureka math grade 6 module 4 lesson 6 example answer key.
Example 1. Expressions with Only Addition, Subtraction, Multiplication, and Division
What operations are evaluated first? Answer: Multiplication and division are evaluated first, from left to right.
What operations are always evaluated last? Answer: Addition and subtraction are always evaluated last, from left to right.
Example 2. Expressions with Four Operations and Exponents 4 + 9 2 ÷ 3 × 2 – 2
What operation is evaluated first? Answer: Exponents (9 2 = 9 × 9 = 81)
What operations are evaluated next? Answer: Multiplication and division, from left to right (81 ÷ 3 = 27; 27 × 2 = 54)
What operations are always evaluated last? Answer: Addition and subtraction, from left to right (4 + 54 = 58; 58 – 2 = 56)
What is the final answer? Answer: 56
Example 3. Expressions with Parentheses Consider a family of 4 that goes to a soccer game. Tickets are $5.00 each. The mom also buys a soft drink for $2.00. How would you write this expression? Answer: 4 × 5 + 2
How much will this outing cost? Answer: $22
Consider a different scenario: The same family goes to the game as before, but each of the family members wants a drink. How would you write this expression? Answer: 4 × (5 + 2)
Why would you add the 5 and 2 first? Answer: We need to determine how much each person spends. Each person spends $7; then, we multiply by 4 people to figure out the total cost.
How much will this outing cost? Answer: $28
How many groups are there? Answer: 4
What does each group comprise? Answer: $5 + $2, or $7
Example 4. Expressions with Parentheses and Exponents 2 × (3 + 4) 2 Which value will we evaluate first within the parentheses? Evaluate. Answer: First, evaluate 4 2 which is 16; then, add 3.The value of the parentheses is 19. 2 × (3 + 4 2 ) 2 × (3 + 16) 2 × 19
Evaluate the rest of the expression. Answer: 2 × 19 = 38
What do you think will happen when the exponent in this expression is outside of the parentheses? 2 × (3 + 4) 2
Will the answer be the same? Answer: Answers will vary.
Which should we evaluate first? Evaluate. Answer: Parentheses 2 × (3 + 4) 2 2 × (7) 2
What happened differently here than in our last example? Answer: The 4 was not raised to the second power because it did not have an exponent. We simply added the values inside the parentheses.
What should our next step be?
We need to evaluate the exponent next. Answer: 7 2 = 7 × 7 = 49
Evaluate to find the final answer. Answer: 2 × 49 98
What do you notice about the two answers? Answer: The final answers were not the same.
What was different between the two expressions? Answer: Answers may vary. In the first problem, a value inside the parentheses had an exponent, and that value was evaluated first because it was inside of the parentheses. In the second problem, the exponent was outside of the parentheses, which made us evaluate what was in the parentheses first; then, we raised that value to the power of the exponent.
What conclusions can you draw about evaluating expressions with parentheses and exponents? Answer: Answers may vary. Regardless of the location of the exponent in the expression, evaluate the parentheses first. Sometimes there will be values with exponents inside the parentheses. If the exponent is outside the parentheses, evaluate the parentheses first, and then evaluate to the power of the exponent.
Exercise 1. 4 + 2 × 7 Answer: 4 + 14 18
Exercise 2. 36 ÷ 3 × 4 Answer: 12 × 4 48
Exercise 3. 20 − 5 × 2 Answer: 20 − 10 10
Exercise 4. 90 − 5 2 × 3 Answer: 90 − 25 × 3 90 − 75 15
Exercise 5. 4 3 + 2 × 8 Answer: 64 + 2 × 8 64 + 16 80
Exercise 6. 2 + (9 2 ) Answer: 2 + (81 – 4) 2 + 77 79
Exercise 7. 2 . (13 + 5 – 14 ÷ (3 + 4) Answer: 2 . (13 + 5 – 14 ÷ 7) 2 . (13 + 5 – 2) 2 . 16 32
Exercise 8. 7 + (12 – 3 2 ) Answer: 7 + (12 – 9) 7 + 3 10
Exercise 9. 7 + (12 – 3) 2 Answer: 7 + 9 2 7 + 81 88
Evaluate each expression.
Question 1. 3 × 5 + 2 × 8 + 2 Answer: 15 + 16 + 2 33
Question 2. ($1.75 + 2 × $0.25 + 5 × $0.05) × 24 Answer: ($1.75 + $0.50 + $0.25) × 24 $2.50 × 24 $60.00
Question 3. (2 × 6) + (8 × 4) + 1 Answer: 12 + 32 + 1 45
Question 4. ((8 × 1.95) + (3 × 2.95) + 10.95) × 1.06 Answer: (15.6 + 8.85 + 10.99) × 1.06 35.4 × 1.06 37.54
Question 5. ((12 ÷ 3) 2 – (18 ÷ 3 2 )) × (4 ÷ 2) Answer: (4 2 − (18 ÷ 9)) × (4 ÷ 2) (16 – 2) × 2 14 × 2 28
Question 1. Evaluate this expression: 39 ÷ (2 + 1) – 2 × (4 + 1). Answer: 39 ÷ 3 − 2 × 5 13 − 10 3
Question 2. Evaluate this expression: 12 × (3 + 2 2 ÷ 2 − 10 Answer: 12 × (3 + 4) ÷2 − 10 12 × 7 ÷ 2 − 10 84 ÷ 2 − 10 42 − 10 32
Question 3. Evaluate this expression: 12 × (3 + 2) 2 ÷ 2 – 10. Answer: 12 × 5 2 ÷ 2 – 10 12 × 25 ÷ 2 − 10 300 ÷ 2 − 10 150 − 10 140
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m = 4 − 3 0 − 2 = 1 − 2 = − 1 2 ; m = 4 − 3 0 − 2 = 1 − 2 = − 1 2 ; decreasing because m < 0. m < 0.
y = − 7 x + 3 y = − 7 x + 3
H ( x ) = 0.5 x + 12.5 H ( x ) = 0.5 x + 12.5
Possible answers include ( − 3 , 7 ) , ( − 3 , 7 ) , ( − 6 , 9 ) , ( − 6 , 9 ) , or ( − 9 , 11 ) . ( − 9 , 11 ) .
( 16 , 0 ) ( 16 , 0 )
y = – 1 3 x + 6 y = – 1 3 x + 6
ⓐ C ( x ) = 0.25 x + 25 , 000 C ( x ) = 0.25 x + 25 , 000 ⓑ The y -intercept is ( 0 , 25 , 000 ) ( 0 , 25 , 000 ) . If the company does not produce a single doughnut, they still incur a cost of $25,000.
ⓐ 41,100 ⓑ 2020
21.57 miles
54 ° F 54 ° F
150.871 billion gallons; extrapolation
Terry starts at an elevation of 3000 feet and descends 70 feet per second.
d ( t ) = 100 − 10 t d ( t ) = 100 − 10 t
The point of intersection is ( a , a ) . ( a , a ) . This is because for the horizontal line, all of the y y coordinates are a a and for the vertical line, all of the x x coordinates are a . a . The point of intersection is on both lines and therefore will have these two characteristics.
y = 3 5 x − 1 y = 3 5 x − 1
y = 3 x − 2 y = 3 x − 2
y = − 1 3 x + 11 3 y = − 1 3 x + 11 3
y = − 1.5 x − 3 y = − 1.5 x − 3
perpendicular
f ( 0 ) = − ( 0 ) + 2 f ( 0 ) = 2 y − int : ( 0 , 2 ) 0 = − x + 2 x − int : ( 2 , 0 ) f ( 0 ) = − ( 0 ) + 2 f ( 0 ) = 2 y − int : ( 0 , 2 ) 0 = − x + 2 x − int : ( 2 , 0 )
h ( 0 ) = 3 ( 0 ) − 5 h ( 0 ) = − 5 y − int : ( 0 , − 5 ) 0 = 3 x − 5 x − int : ( 5 3 , 0 ) h ( 0 ) = 3 ( 0 ) − 5 h ( 0 ) = − 5 y − int : ( 0 , − 5 ) 0 = 3 x − 5 x − int : ( 5 3 , 0 )
− 2 x + 5 y = 20 − 2 ( 0 ) + 5 y = 20 5 y = 20 y = 4 y − int : ( 0 , 4 ) − 2 x + 5 ( 0 ) = 20 x = − 10 x − int : ( − 10 , 0 ) − 2 x + 5 y = 20 − 2 ( 0 ) + 5 y = 20 5 y = 20 y = 4 y − int : ( 0 , 4 ) − 2 x + 5 ( 0 ) = 20 x = − 10 x − int : ( − 10 , 0 )
Line 1: m = –10 Line 2: m = –10 Parallel
Line 1: m = –2 Line 2: m = 1 Neither
Line 1 : m = – 2 Line 2 : m = – 2 Parallel Line 1 : m = – 2 Line 2 : m = – 2 Parallel
y = 3 x − 3 y = 3 x − 3
y = − 1 3 t + 2 y = − 1 3 t + 2
y = − 5 4 x + 5 y = − 5 4 x + 5
y = 3 x − 1 y = 3 x − 1
y = − 2.5 y = − 2.5
y = 3 y = 3
x = − 3 x = − 3
Linear, g ( x ) = − 3 x + 5 g ( x ) = − 3 x + 5
Linear, f ( x ) = 5 x − 5 f ( x ) = 5 x − 5
Linear, g ( x ) = − 25 2 x + 6 g ( x ) = − 25 2 x + 6
Linear, f ( x ) = 10 x − 24 f ( x ) = 10 x − 24
f ( x ) = − 58 x + 17.3 f ( x ) = − 58 x + 17.3
y = − 16 3 y = − 16 3
x = a x = a
y = d c – a x – a d c – a y = d c – a x – a d c – a
y = 100 x – 98 y = 100 x – 98
x < 1999 201 , x > 1999 201 x < 1999 201 , x > 1999 201
$45 per training session.
The rate of change is 0.1. For every additional minute talked, the monthly charge increases by $0.1 or 10 cents. The initial value is 24. When there are no minutes talked, initially the charge is $24.
The slope is –400. this means for every year between 1960 and 1989, the population dropped by 400 per year in the city.
Determine the independent variable. This is the variable upon which the output depends.
To determine the initial value, find the output when the input is equal to zero.
6 square units
20.01 square units
P ( t ) = 75 , 000 + 2500 t P ( t ) = 75 , 000 + 2500 t
(–30, 0) Thirty years before the start of this model, the town had no citizens. (0, 75,000) Initially, the town had a population of 75,000.
Ten years after the model began
W ( t ) = 0.5 t + 7.5 W ( t ) = 0.5 t + 7.5
( − 15 , 0 ) ( − 15 , 0 ) : The x -intercept is not a plausible set of data for this model because it means the baby weighed 0 pounds 15 months prior to birth. ( 0 , 7 . 5 ) ( 0 , 7 . 5 ) : The baby weighed 7.5 pounds at birth.
At age 5.8 months
C ( t ) = 12 , 025 − 205 t C ( t ) = 12 , 025 − 205 t
( 58 . 7 , 0 ) : ( 58 . 7 , 0 ) : In roughly 59 years, the number of people inflicted with the common cold would be 0. ( 0 , 12 , 0 25 ) ( 0 , 12 , 0 25 ) Initially there were 12,025 people afflicted by the common cold.
y = − 2 t +180 y = − 2 t +180
In 2070, the company’s profit will be zero.
y = 3 0 t − 3 00 y = 3 0 t − 3 00
(10, 0) In the year 1990, the company’s profits were zero
During the year 1933
P(t) = 190t + 4,360
More than 133 minutes
More than $42,857.14 worth of jewelry
More than $66,666.67 in sales
When our model no longer applies, after some value in the domain, the model itself doesn’t hold.
We predict a value outside the domain and range of the data.
The closer the number is to 1, the less scattered the data, the closer the number is to 0, the more scattered the data.
61.966 years
Interpolation. About 60 ° F . 60 ° F .
This value of r indicates a strong negative correlation or slope, so C This value of r indicates a strong negative correlation or slope, so C
This value of r indicates a weak negative correlation, so B This value of r indicates a weak negative correlation, so B
Yes, trend appears linear because r = 0. 985 r = 0. 985 and will exceed 12,000 near midyear, 2016, 24.6 years since 1992.
y = 1 . 64 0 x + 13 . 8 00 , y = 1 . 64 0 x + 13 . 8 00 , r = 0. 987 r = 0. 987
y = − 0.962 x + 26.86 , r = − 0.965 y = − 0.962 x + 26.86 , r = − 0.965
y = − 1 . 981 x + 6 0. 197; y = − 1 . 981 x + 6 0. 197; r = − 0. 998 r = − 0. 998
y = 0. 121 x − 38.841 , r = 0.998 y = 0. 121 x − 38.841 , r = 0.998
( −2 , −6 ) , ( 1 , −12 ) , ( 5 , −20 ) , ( 6 , −22 ) , ( 9 , −28 ) ; ( −2 , −6 ) , ( 1 , −12 ) , ( 5 , −20 ) , ( 6 , −22 ) , ( 9 , −28 ) ; Yes, the function is a good fit.
( 189 .8 , 0 ) ( 189 .8 , 0 ) If 18,980 units are sold, the company will have a profit of zero dollars.
y = 0.00587 x + 1985 .4 1 y = 0.00587 x + 1985 .4 1
y = 2 0. 25 x − 671 . 5 y = 2 0. 25 x − 671 . 5
y = − 1 0. 75 x + 742 . 5 0 y = − 1 0. 75 x + 742 . 5 0
y = − 3 x + 26 y = − 3 x + 26
y = 2 x − 2 y = 2 x − 2
Not linear.
( –9 , 0 ) ; ( 0 , –7 ) ( –9 , 0 ) ; ( 0 , –7 )
Line 1: m = − 2 ; m = − 2 ; Line 2: m = − 2 ; m = − 2 ; Parallel
y = − 0.2 x + 21 y = − 0.2 x + 21
More than 250
y = − 3 00 x + 11 , 5 00 y = − 3 00 x + 11 , 5 00
Extrapolation
y = − 1.294 x + 49.412 ; r = − 0.974 y = − 1.294 x + 49.412 ; r = − 0.974
y = −1.5x − 6
y = −2x − 1
Perpendicular
(−7, 0); (0, −2)
y = −0.25x + 12
Slope = −1 and y-intercept = 6
y = 875x + 10,625
In early 2018
y = 0.00455x + 1979.5
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Lesson 4.1.1, lesson 4.1.2, lesson 4.1.3, lesson 4.1.4, lesson 4.1.5, lesson 4.1.6, lesson 4.1.7.
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The source for the homework pages is the full module PDF, available for free here:https://www.engageny.org/resource/grade-3-mathematics-module-4
Eureka Math Grade 3 Module 4 Lesson 6 Homework Answer Key. Question 1. Each represents 1 square centimeter. Draw to find the number of rows and columns in each array. Match it to its completed array. Then, fill in the blanks to make a true equation to find each array's area. Answer: a.
3 4. 28 5. 3, n, 15; 15, 3, n; n = 5; 5 rose bushes Homework 1. a. 40, 50, 70, 80, 100 ... NYS COMMON CORE MATHEMATICS CURRICULUM 6 Answer Key 3•Lesson Lesson 6 Pattern Sheet 6 12 18 24 30 36 42 48 54 60 30 36 ... NYS COMMON CORE MATHEMATICS CURRICULUM 6 Answer Key 3•Lesson Homework 1. a. Tape diagrams accurately labeled; 42; 35; 1, 7; 7, 42
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Answer: First we wilt write given situation as a division problem, it is the following: 14 112 ÷ 4 13. Now, we will rewrite the mixed numbers as fractions greater than 1. 14 112 ÷ 4 13 = 169 12 ÷ 13 3. In the next step we will rewrite the problem as multiplication using the reciprocal of the second fraction:
Find step-by-step solutions and answers to College Algebra - 9780321729682, as well as thousands of textbooks so you can move forward with confidence. ... Section 3.6: Polynomial and Rational Inequalities. Section 3.7: Modeling Using Variation. Page 445: Review Exercises. Page 449: Chapter Test. Page 450: Cumulative Review (Chapters 1-3 ...
Lesson. Vocabulary. Home Link Help. Games. 3-1. ... Selected Answers. 3-4. Reviewing Decimal Multiplication. ... With a login provided by your child's teacher, access resources to help your child with homework or brush up on your math skills. Understanding Everyday Mathematics for Parents.
Lesson 2 Homework 4• 6 Lesson 2: Use metric measurement and area models to represent tenths as fractions greater than 1 and decimal numbers. Name Date 1. For each length given below, draw a line segment to match. Express each measurement as an equivalent mixed number. a. 2.6 cm b. 3.5 cm c. 1.7 cm d. 4.3 cm e. 2.2 cm 2.
Go Math! Practice Book (TE), G5. Name Round Decimals Write the place value of the underlined digit. Round each number to the place of the underlined digit. Lesson 3.4 COMMON CORE STANDARD CC.5.NBT.4 Understand the place value system. 3.
6.3 Scientific Notation (Homework Assignment) 6.4 Basic Operations Using Polynomials. 6.5 Multiplication of Polynomials. 6.6 Special Products. ... Answer Key 3.4 For questions 1 to 10, sketch the linear equation using the slope intercept method. [latex]y = -\dfrac{1}{4}x - 3[/latex]
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Engage NY Eureka Math 6th Grade Module 4 Lesson 6 Answer Key Eureka Math Grade 6 Module 4 Lesson 6 Example Answer Key Example 1. Expressions with Only Addition, Subtraction, Multiplication, and Division What operations ... Answer: 12 × (3 + 4) ÷2 − 10 12 × 7 ÷ 2 − 10 84 ÷ 2 − 10 42 − 10 32. Question 3. Evaluate this expression: 12 ...
Answer Key (Contains all answers except #s 26-28 & 35-41) Answers for 26-28, 35-41 ... Problem Set 3, 4, 6, 12 3.4 Homework: Pg 220: Guided Practice 1-43.5 Homework: None, See Review for Problems ... Answers Extra Ch. 6 Lessons Homework: Lesson #1 Worksheet Answers Lesson #2 Worksheet Answers Extra Ch. 6 Lessons Review: Worksheet
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does Jodi walk? (Lesson 1.7) @ 840 minutes 850 minutes 8,400 minutes 8,500 minutes 5. David records the number of visitors to the snake exhibit each day for 6 days. His data are shown in the table. If admission is $7 per person, how much money did the snake exhibit make altogether over the 6 days? (Lesson 1.6) Visitors to the Snake Exhibit 2. 4. 6.
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Introduction to Systems of Equations and Inequalities; 7.1 Systems of Linear Equations: Two Variables; 7.2 Systems of Linear Equations: Three Variables; 7.3 Systems of Nonlinear Equations and Inequalities: Two Variables; 7.4 Partial Fractions; 7.5 Matrices and Matrix Operations; 7.6 Solving Systems with Gaussian Elimination; 7.7 Solving Systems with Inverses; 7.8 Solving Systems with Cramer's Rule
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Find step-by-step solutions and answers to Precalculus - 9781603284530, as well as thousands of textbooks so you can move forward with confidence. ... Chapter 6:Triangles and Vectors. Exercise 1a. Exercise 1b. Exercise 2a. Exercise 2b. Exercise 2c. Exercise 2d. Exercise 2e. Exercise 3a. Exercise 3b. Exercise 3c. Exercise 3d. Exercise 3e ...
Find step-by-step solutions and answers to College Algebra - 9780321639394, as well as thousands of textbooks so you can move forward with confidence. ... Section 3-4: Solving Rational Equations and Radical Equations. ... Section 5-6: Applications and Models: Growth and Decay; Compound Interest. Page 471: Review Exercises. Page 475: Chapter ...
Find step-by-step solutions and answers to Precalculus - 9781285499949, as well as thousands of textbooks so you can move forward with confidence. ... Section 3.6: Complex Zeros and the Fundamental Theorem of Algebra. Section 3.7: Rational Functions. Page 292: Concept Check. Page 292: Review Exercises. Page 295: Chapter Test. Page 298: Focus on ...