Linear Functions

1. Which relation is not a function?

A) (1,2) (1, 4), (2,6)

B) (2,3) (3,4) (4,5)

• A

• B

• None

1. Which relation represents a function?

A) (3,3) (2,5) (4,6)

B) (2,3) (2,6) (5,7)

• A

• B

• None of the above

1. The graph of y = f(x) is shown below:

Which point could be used to find f(-2)?

1. If f(x) = 5x + 3, what is the value of f(-2)?

• 7

• -4

• 3

• -7

1. What is the range of the following:

{(1,2) (2,3) (4,4)}

• {1,2,4}

• {2,3,4}

• {1,2,3,4}

Find the slope of a line that passes through the given points:

(5,1) and (8,3)

• $\frac{2}{3}$

• $\frac{-2}{3}$

• $\frac{3}{-2}$

• $\frac{3}{2}$

Tags

CCSS.8.EE.B.5

Find the slope of a line that passes through the given points:
(1,1) and (3,4)

• $\frac{2}{3}$

• $\frac{-2}{3}$

• $\frac{3}{-2}$

• $\frac{3}{2}$

Tags

CCSS.8.EE.B.5

Find the slope

• -5/3
• -3/5
• 5/3
• 3/5

Tags

CCSS.8.EE.B.5

Find the slope:

• 3/4
• 4/3
• -3/4
• -4/3

Tags

CCSS.8.EE.B.5

What is the y-intercept in the equation
y= -2x + 5

• -2
• 3
• 5
• Cannot be Determined

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

What is the y-intercept in the following equation:  y=-4x-5

• -4
• -4x
• 5
• -5

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3