Create a real-world context for the linear equation $$y = 5x + 10$$ .

A car rental company charges a flat fee of $$10\ and$$ 5 per mile driven.

A phone company charges $$10\ per\ month\ and$$ 5 per gigabyte of data used.

A gym membership costs $$5\ and\ a$$ 10 sign-up fee.

Which of the following situations can be modeled by the equation $$y = 7x + 15$$ ?

A cell phone plan costs $$15\ per\ month\ plus$$ 7 per gigabyte of data.

A taxi service charges $$15\ for\ the\ first\ 3\ miles\ and$$ 8 for each additional mile.

A subscription service costs $$7\ per\ month\ with\ a$$ 15 sign-up fee.

A painter charges $$15\ per\ hour\ plus$$ 15 for materials.

Create a context for the linear function represented by the equation $$y = -2x + 8$$ .

A store decreases the price of a product by $$2\ each\ day,\ starting\ at$$ 8.

A savings account starts with $$8 and decreases by $$ 2 each month.

Which of the following scenarios can be described by the equation $$y = 10x + 50$$ ?

A phone plan costs $$50 per month with an additional $$ 10 per gigabyte of data.

A concert ticket costs $$50 with an additional $$ 10 service fee.

A car travels 50 miles per hour and increases speed by 10 miles per hour every hour.

A gym charges $$50 per month with a $$ 10 fee for each class attended.

Understanding Linear Functions Quiz

Quiz

•

Mathematics

•

8th Grade

•

Practice Problem

•

Hard

•

VA.8.PFA.3.e, VA.8.PFA.3.f, CCSS.8.EE.B.5

Standards-aligned

MELANIE MORROW

FREE Resource

10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Given the graph of a line, which of the following equations represents the line if the slope is 3 and the y-intercept is -2?

Tags

VA.8.PFA.3.e

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A table shows the following values: (1, 4), (2, 7), (3, 10). What is the equation of the line that fits this data?

Tags

VA.8.PFA.3.e

3.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

A bakery sells cakes for 10 delivery fee.

Tags

CCSS.8.EE.B.5

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

If a line passes through the points (0, 3) and (4, 11), what is the equation of the line?

Tags

VA.8.PFA.3.e

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Tags

VA.8.PFA.3.f

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A line has a slope of -4 and passes through the point (0, 5). What is the equation of the line?

Tags

VA.8.PFA.3.e

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A car travels at a speed of 8 miles per hour, decreasing by 2 miles per hour each hour.

A water tank is filled with 8 gallons and leaks 2 gallons per hour.

Tags

VA.8.PFA.3.f

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Understanding Linear Functions Quiz

10 questions

Given the graph of a line, which of the following equations represents the line if the slope is 3 and the y-intercept is -2?

A table shows the following values: (1, 4), (2, 7), (3, 10). What is the equation of the line that fits this data?

If a line passes through the points (0, 3) and (4, 11), what is the equation of the line?

A line has a slope of -4 and passes through the point (0, 5). What is the equation of the line?

If a line has a slope of 0 and passes through the point (0, -3), what is the equation of the line?

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