Math 8 HW - Wk of 01/21

What is the perimeter of the figure?

• 6x + 11

• 4x + 2x + 8 + 3

• 12x + 22

• 8x + 24

What is the perimeter of this figure?

• 33b + 24

• 21b + 24

• 3b - 8

• 33b - 8

Is this mapping a function or not a function? 

• Function

• Not a Function

Which set of values is a function?

• (9,5) (10,5) (9,-5) (10,-5)

• (3,4) (4,-3) (7,4) (3, 8)

• (6,-5) (7, -3) (8, -1) (9, 1)

• (2, -2) (5, 9) (5, -7) (1, 4)

Which graph does NOT pass the vertical line test?

• Graph 1

• Graph 2

• Graph 3

• Graph 4

What type of slope does the following graph have?

• Postive

• Negative

• Zero Slope

• Undefined

Find the slope of the line that passes through (10, -8) and (1, 12).

• 20/9

• -20/9

• 4/9

• 9/4

What is the slope in the equation y=2x + 3?

• 2

• 3

• 5

• Cannot be Determined 

Write the equation for the line in slope-intercept form.

• y= -1x+3

• y= 4x+3

• y=1/4x+3

• y= -4x+3

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

• -2

• 3

• 5

• Cannot be Determined