Unit 1 Review: Functions and their Graphs

Find the slope of the line.

• -2
• 2
• -1
• 1

Tags

CCSS.8.EE.B.5

What is the slope of the equation?

y = -2x - 1

• 2

• -2

• -2x

• -1

Tags

CCSS.8.EE.B.5

Which equation matches the graph?

• y = 2x

• y = 1/4 x + 2

• y = 1x + 4

• y = 2x - 3

Tags

TEKS.MATH.8.5I

TEKS.MATH.A.2C

Find the slope between ( 2, 3) and (5, 6)

• 3

• 4

• 1

• 6

Find the equation that represents the line going through (0, 2) and (-4, 0).

• y = 1/2 x - 4
• y = 1/2 x + 2
• y = 2x + 2
• y = -2x - 4

Tags

CCSS.HSA.CED.A.2

CCSS.HSA.REI.D.10

If two lines are parallel their slopes are  ____________

• the same.
• negative reciprocals of each other.

Tags

CCSS.HSG.CO.A.1

CCSS.HSG.GPE.B.5

If two lines are perpendicular to each other their slopes are ____________

• the same.

• negative reciprocals of each other.

Tags

CCSS.HSG.CO.A.1

CCSS.HSG.GPE.B.5

Are these lines perpendicular?
y = 4x + 2
y = (-1/4)x + 12

• YES
• NO

Tags

CCSS.HSG.CO.A.1

CCSS.HSG.CO.C.9

CCSS.HSG.GPE.B.4

CCSS.HSG.GPE.B.5

Are these lines perpendicular?
y = (1/2)x + 2
y = -2x + 13

• YES
• NO

Tags

CCSS.HSG.CO.A.1

CCSS.HSG.CO.C.9

CCSS.HSG.GPE.B.5

What is the definition of function?

• Has inputs and outputs
• Every input has only ONE output
• Inputs have different outputs every time
• x-values and y-values

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1