1st Fall 2021 Final Review

Determine whether the following is a function:

(4,6) (3,1) (2,9) (4,2)

• not a function because x repeats

• function because x does not repeat

• not a function because y repeats

• function because y does not repeat

Tags

CCSS.8.F.A.1

Which graph represents y as a function of x?

• Graph 1

• Graph 2

• Graph 3

• Graph 4

What is the range of the table?

• {-4, 0, 1, 3}

• {-2, 0, 2, 3}

• {-4, -2, 0, 1, 2, 3}

• { (0, 0), (2, -4), (3, 3), (-2, 1) }

What is the domain of the graph shown?

• {-2, -1, 0, 1, 2, 3, 4}

• {2, 3, 4}

• 2 ≤ y ≤ 4

• -2 ≤ x ≤ 4

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.B.5

• 12

• 4.5

• 17.5

• -4.10

Tags

CCSS.8.EE.C.7B

4(2 - x) ≥ -7x + 29

• x≥7

• x≥-8

• x≤8

• x≤7

Which ordered pair is in the solution set for y > 2/3x - 5

• (6,-1)

• (-1,6)

• (1,-6)

• (-1,-6)

Convert the standard form equation into slope-intercept form.

5x - 4y = -20

• y = 5 + 5/4x

• y = -5 + 5/4x

• y = -5 - 5/4x

• y = 5 - 5/4x

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

• -5

• -12

• -8

• -7

Tags

CCSS.HSF.IF.A.2

The value of y is directly proportional to the value of x. When x = -14, the value of y is -8. What is the value of x when y = 4?

• x = -7
• x = -2.3
• x = 2.3
• x = 7