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Slope-Intercept Equations: Identify and Graph Linear Costs

Authored by Anthony Clark

English, Mathematics

8th Grade

CCSS covered

Slope-Intercept Equations: Identify and Graph Linear Costs
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9 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

1. A car rental company charges a flat fee of $20 plus $0.15 per mile driven. Write the equation in slope-intercept form and identify the slope and y-intercept.

Slope: 0.15, Y-intercept: 15

Slope: 0.10, Y-intercept: 20

Slope: 0.20, Y-intercept: 0.15

Slope: 0.15, Y-intercept: 20

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

2. A gym charges a monthly membership fee of $30 and an additional $5 per class attended. What is the slope and y-intercept of the cost equation?

Slope: 5, Y-intercept: 30

Slope: 5, Y-intercept: 50

Slope: 10, Y-intercept: 30

Slope: 30, Y-intercept: 5

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

3. A phone plan costs $25 per month plus $0.10 per text message sent. Graph the equation and identify the slope and intercept.

Slope: 0.25, Intercept: 10

Slope: 0.05, Intercept: 30

Slope: 0.15, Intercept: 20

Slope: 0.10, Intercept: 25

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

4. A delivery service charges a base fee of $10 plus $2 for each mile driven. Write the equation in slope-intercept form and graph it.

y = 2x - 10

y = 2x + 10

y = 10 + 2x

y = 10x + 2

Tags

CCSS.8.EE.B.5

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

5. A school is selling tickets for a play at $5 each. If they have a fixed cost of $100 for the venue, write the equation and identify the slope and intercept.

Slope: 100, Intercept: 5

Slope: 0, Intercept: 100

Slope: 5, Intercept: 100

Slope: 5, Intercept: 0

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

7. A subscription service charges $12 per month plus a one-time fee of $50. What is the slope and y-intercept of the cost equation?

Slope: 0, Y-intercept: 50

Slope: 50, Y-intercept: 12

Slope: 12, Y-intercept: 0

Slope: 12, Y-intercept: 50

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

8. A local bakery sells cupcakes for $3 each and has a fixed cost of $20 for ingredients. Write the equation and identify the slope and intercept.

Equation: Total Cost = 20 - 3x; Slope: -3; Intercept: 20

Equation: Total Cost = 20 + 3x; Slope: 3; Intercept: 20

Equation: Total Cost = 20 + 5x; Slope: 5; Intercept: 20

Equation: Total Cost = 3x - 20; Slope: -3; Intercept: -20

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