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8th grade Unit 5 Post-Test: Linear Functions

Authored by Danita Sanders

Mathematics

7th Grade - University

CCSS covered

Used 16+ times

8th grade Unit 5 Post-Test: Linear Functions
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10 questions

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1.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Media Image

MGSE8.EE.5: Choosing two points from the table.

Which equation matches the function described in the table?

A. y = x – 4

B. y = 4x – 1

C. y = -4x + 1

D. D. y = -3x – 2

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

2.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

MGSE8.F.2, MGSE8.EE.5, MGSE8.F.3: A reporter collected data on y, the depreciation of a certain car for various years, x, after it had been purchased new. The equation below was fit to the data.

y = 16,500 -1,500x

What is the rate of change (slope) in the above equation?

A. 16,500

B. 1,500x

C. -1,500

D. -1,500x

Tags

CCSS.HSF.LE.B.5

3.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Media Image

What is the equation of this line?

y= 3x+1

y= -x+3

y= 1/3x-1

y= -1/3x+1

4.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Which of these represents the standard form of a linear equation?

y2-y1/x2-x1

y - y1 = m(x - x1)

Ax + By = C

y = mx + b

5.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Change the following equation to slope-intercept form:

5x - 5y = 25

y = x - 5

y = 5x - 1

y = -x + 5

y = 5x + 1

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

6.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Write the equation in point-slope form of the line that passes through the given point and has the given slope.

(4, -7); m = -1/4

y + 7 = -1/4(x - 4)

y - 4 = -1/4(x + 7)

y + 7 = 4(x - 4)

y - 7 = -1/4(x - 4)

7.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Change the following equation to slope intercept form:

y + 2 = -3(x - 5)

y = -3x + 17

y = -3x + 13

y = -3x - 13

y = -3x - 17

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

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