Pre-Algebra Unit 3 Quiz

.

• Function
• Not a Function

Is the relation a function? Why.

• Yes, because the x-value 11 has two y-values pair with it.
• Yes, because each x-value has only one y-value paired with it.
• No, because the x-value 11 has two y-values pair with it.
• No, because each x-value has only one y-value paired with it.

Tags

CCSS.8.F.A.1

Answer.

• A
• B
• C
• D

Tags

CCSS.8.F.A.1

Which point is a solution to the equation
4x - 5y = 20

• (2, 3)
• (5, 4)
• (1, 1)
• (5, 0)

Which point is a solution to the equation:
y = -6x + 12

• (-2, 0)
• (3, 6)
• (-3, 6)
• (2, 24)

Find the slope of:
(1,8) and (3,12)

• 2
• 1/2
• 9/7
• -2

Tags

CCSS.8.EE.B.5

Find the slope:
y = 2x + 3

• 0
• 3
• 1.5
• 2

Tags

CCSS.8.EE.B.5

Find the slope:

• 2
• -2
• 1/2
• -1/2

Tags

CCSS.8.EE.B.5

Find the slope:

• 3/4
• 4/3
• -3/4
• -4/3

Tags

CCSS.8.EE.B.5

Is this table proportional?

• Yes
• No

Tags

CCSS.7.RP.A.2A