Writing linear functions word problems

Repeating decimals

3 Topics
|
3 Quizzes
Square roots & cube roots

5 Topics
|
6 Quizzes
Irrational numbers

3 Topics
|
2 Quizzes
- Classify numbers: rational & irrational
Approximating irrational numbers

4 Topics
|
3 Quizzes
- Comparing irrational numbers with a calculator
Exponents with negative bases

6 Topics
|
3 Quizzes
Exponent properties intro

3 Topics
|
4 Quizzes
Negative exponents

2 Topics
|
1 Quiz
1. Negative exponents
2. Negative exponent intuition
- Negative exponents
Exponent properties (integer exponents)

2 Topics
|
2 Quizzes
1. Multiplying & dividing powers (integer exponents)
  1. Multiply & divide powers (integer exponents)
2. Powers of products & quotients (integer exponents)
- Powers of products & quotients (integer exponents)
Working with powers of 10

2 Topics
|
2 Quizzes
1. Multiplying multiples of powers of 10
  1. Multiplication and division with powers of ten
2. Approximating with powers of 10
  1. Approximating with powers of 10
Scientific notation intro

2 Topics
|
1 Quiz
1. Scientific notation example: 0.0000000003457
2. Scientific notation examples
- Scientific notation
Arithmetic with numbers in scientific notation

4 Topics
|
2 Quizzes
- Multiplying & dividing in scientific notation
- Adding & subtracting in scientific notation
Scientific notation word problems

3 Topics
|
1 Quiz
- Scientific notation word problems
Equations with variables on both sides

4 Topics
|
2 Quizzes
Equations with parentheses

1 Topic
|
2 Quizzes
1. Equations with parentheses
  1. Equations with parentheses
- Equations with parentheses: decimals & fractions
Number of solutions to equations

4 Topics
|
2 Quizzes
- Number of solutions to equations
- Number of solutions to equations challenge
Equations word problems

2 Topics
|
1 Quiz
1. Sums of consecutive integers
2. Sum of integers challenge
- Sums of consecutive integers
Graphing proportional relationships

2 Topics
|
1 Quiz
1. Rates & proportional relationships example
2. Rates & proportional relationships: gas mileage
  1. Rates & proportional relationships
Solutions to linear equations

4 Topics
|
2 Quizzes
- Solutions to 2-variable equations
- Complete solutions to 2-variable equations
Intercepts

5 Topics
|
2 Quizzes
- Intercepts from a graph
- Intercepts from an equation
Slope

8 Topics
|
3 Quizzes
Intro to slope-intercept form

2 Topics
|
1 Quiz
1. Intro to slope-intercept form
2. Worked examples: slope-intercept intro
- Slope-intercept intro
Writing slope-intercept equations

5 Topics
|
2 Quizzes
- Slope-intercept equation from graph
- Slope-intercept from two points
Functions

7 Topics
|
3 Quizzes
Linear models

7 Topics
|
3 Quizzes
Comparing linear functions

6 Topics
|
1 Quiz
- Compare linear functions
Constructing linear models for real-world relationships

5 Topics
|
1 Quiz
- Writing linear functions word problems
Recognizing functions

9 Topics
|
2 Quizzes
- Recognize functions from tables
- Recognize functions from graphs
Linear and nonlinear functions

5 Topics
|
2 Quizzes
- Linear & nonlinear functions
- Interpreting graphs of functions
Intro to systems of equations

3 Topics
|
1 Quiz
- Solutions of systems of equations
Solving systems with substitution

6 Topics
|
1 Quiz
- Systems of equations with substitution
Number of solutions to systems of equations

5 Topics
|
1 Quiz
- Number of solutions to a system of equations algebraically
Systems of equations word problems

7 Topics
|
2 Quizzes
- Age word problems
- Systems of equations word problems
Angles between intersecting lines

4 Topics
|
3 Quizzes
Triangle angles

7 Topics
|
3 Quizzes
Pythagorean theorem

3 Topics
|
4 Quizzes
Pythagorean theorem application

4 Topics
|
5 Quizzes
Pythagorean theorem and distance between points

1 Topic
|
1 Quiz
1. Distance formula
- Distance between two points
Pythagorean theorem proofs

4 Topics
Volume

3 Topics
|
4 Quizzes
Transformations intro

3 Topics
|
1 Quiz
- Identify transformations
Translations

3 Topics
|
1 Quiz
- Translate points
Rotations

2 Topics
|
2 Quizzes
1. Rotating points
2. Determining rotations
- Rotate points (basic)
- Determine rotations (basic)
Reflections

3 Topics
|
1 Quiz
- Reflect points
Properties & definitions of transformations

3 Topics
|
3 Quizzes
Dilations

5 Topics
|
2 Quizzes
- Dilations: scale factor
- Dilate triangles
Congruence and similarity

4 Topics
|
2 Quizzes
- Congruence & transformations
- Similarity & transformations
Introduction to scatter plots

1 Topic
|
1 Quiz
1. Constructing a scatter plot
  1. Making appropriate scatter plots
Interpreting scatter plots

2 Topics
|
2 Quizzes
1. Example of direction in scatterplots
2. Scatter plot: smokers
- Positive and negative linear associations from scatter plots
- Describing trends in scatter plots
Estimating lines of best fit

4 Topics
|
3 Quizzes
Two-way tables

3 Topics
|
4 Quizzes

Math 8th grade

Writing linear functions word problems

Quiz Summary

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Results

Results

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1. Question

The pressure at sea level is 1 atmosphere and increases at a constant rate as depth increases. When Sydney dives to a depth of 23 meters, the pressure around her is 3.3 atmospheres.

The pressure p in atmospheres is a function of x, the depth in meters.

Write the function’s formula.

p = ?

2. Question

Tyrone likes to snack on his big bag of candy. He takes 8 pieces of candy from the bag each time he snacks. After eating 18 snacks, there are only 6 pieces of candy remaining in the bag.

The number c of pieces of candy remaining in the bag is a function of s, the number of snacks Tyrone eats.

Write the function’s formula.

c = ?

3. Question

Rei is barricading a door to stop a horde of zombies. She stacks boxes of books on a table in front of the door. Each box weighs 30 kilograms, and the table with 8 boxes on top weighs a total of 310 kilograms.

The total weight W of the barricade in kilograms is a function of x, the number of boxes Rei stacks on the table.

Write the function’s formula.

W = ?

4. Question

Jabari is power washing houses for a summer job. For every job, he charges an initial fee plus $30 for each hour of work. His total fee for a 4-hour job, for instance, is $170.

Jabari’s total fee, f, for a single job is a function of the number, t, of hours it takes him to complete the job.

Write the function’s formula.

f = ?

5. Question

When Joseph first starts working at a grocery store, his hourly rate is $10. For each year he works at the grocery store, his hourly rate increases by $0.50.

Joseph’s hourly rate R, in dollars, is a function of t, the number of years he works at the grocery store.

Write the function’s formula.

R = ?

6. Question

Nala is escaping from the dragon’s lair! She is running toward the entrance of the lair at a speed of 9.2 meters per second. The entrance is 180 meters away.

The distance d between Nala and the entrance of the lair is a function of t, the time in seconds since Nala began running.

Write the function’s formula.

d = ?

7. Question

Colin is painting figurines. He spends 20 minutes painting each figurine. After painting for 60 minutes, he still has 9 more figurines left to paint.

The number f of figurines left to paint is a function of t, the amount of time in minutes Colin spends painting.

Write the function’s formula.

f = ?

8. Question

A glass bottle filled with oil weighs 590 grams. After Sophia uses 200 milliliters of oil, the bottle of oil weighs 400 grams.

The weight M of the bottle of oil, in grams, is a function of V, the volume, in milliliters, of oil Sophia has used.

Write the function’s formula.

M = ?

9. Question

James is playing his favorite game at the arcade. After playing the game 3 times, he has 8 tokens remaining. He initially had 20 tokens, and the game costs the same number of tokens each time.

The number t of tokens James has is a function of g, the number of games he plays.

Write the function’s formula.

t = ?

10. Question

Camille is attending a fundraiser. She pays for her admission and buys raffle tickets for $5 each. If she buys 10 raffle tickets, then she would spend a total of $135 at the fundraiser.

The number S of dollars Camille spends at the fundraiser is a function of r, the number of raffle tickets she buys.

S = ?

The pressure at sea level is atmosphere and increases at a constant rate as depth increases. When Sydney dives to a depth of meters, the pressure around her is atmospheres.

The pressure in atmospheres is a function of x, the depth in meters.

Tyrone likes to snack on his big bag of candy. He takes 8 pieces of candy from the bag each time he snacks. After eating snacks, there are only pieces of candy remaining in the bag.

The number of pieces of candy remaining in the bag is a function of s, the number of snacks Tyrone eats.

Rei is barricading a door to stop a horde of zombies. She stacks boxes of books on a table in front of the door. Each box weighs kilograms, and the table with 8 boxes on top weighs a total of kilograms.

The total weight of the barricade in kilograms is a function of x, the number of boxes Rei stacks on the table.

Jabari is power washing houses for a summer job. For every job, he charges an initial fee plus $30 for each hour of work. His total fee for a 4-hour job, for instance, is

Jabari’s total fee, , for a single job is a function of the number, t, of hours it takes him to complete the job.

Nala is escaping from the dragon’s lair! She is running toward the entrance of the lair at a speed of 9.2 meters per second. The entrance is meters away.

The number of figurines left to paint is a function of , the amount of time in minutes Colin spends painting.

A glass bottle filled with oil weighs grams. After Sophia uses milliliters of oil, the bottle of oil weighs grams.

The weight of the bottle of oil, in grams, is a function of V, the volume, in milliliters, of oil Sophia has used.

James is playing his favorite game at the arcade. After playing the game 3 times, he has 8 tokens remaining. He initially had tokens, and the game costs the same number of tokens each time.

The number of tokens James has is a function of , the number of games he plays.

Camille is attending a fundraiser. She pays for her admission and buys raffle tickets for $5 each. If she buys raffle tickets, then she would spend a total of $135 at the fundraiser.