Lesson 2.1 Quiz Review (Slope-Intercept Form)

What does "m" represent in y=mx+b?

• y-intercept
• slope
• macaroni
• nothing

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

What does "b" represent in y=mx+b?

• y-intercept

• slope

• barbeque

• nothing

How are the graphs of

 $y=3x+2$  and  $y=-3x+2$  similar?

• same slope

• same y-intercept

• same x-intercept

• nothing

How are the graphs of

 $y=3x+2$  and  $y=-3x+2$  different?

• different slope

• different y-intercept

• different x-intercept

• nothing

What is the slope of the line with the equation
 $y\ =\ -\frac{3}{2}x\ +\ 4$  

•  $-\frac{3}{2}$  

•  $\frac{3}{2}$  

•  $4$  

•  $-4$  

Tags

CCSS.8.EE.B.5

What is the y-intercept of the line with the equation
 $y\ =\ -2x\ +\ 4$  

•  $-2$  

•  $2$  

•  $4$  

•  $-4$  

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

Write the equation of the line.

• y = -1/3x - 2
• y = 1/3x - 2
• y = 3x - 2
• y = -3x - 2

Tags

CCSS.8.EE.B.6

CCSS.8.EE.B.5

CCSS.8.F.A.3

CCSS.8.F.B.4

Write the equation of the line.

• y = -2/3x + 4
• y = 2/3x + 4
• y = 3/2x + 4
• y = -3/2x + 4

Tags

CCSS.8.EE.B.6

CCSS.8.EE.B.5

CCSS.8.F.A.3

CCSS.8.F.B.4

What is the slope of the line that passes through these two points (8, 4) and (5, 3)?

• 3

• -1

• -1/3

• 1/3

Tags

CCSS.8.EE.B.5

What is the equation of the line that passes through (-1, -4) and (-2, -1)

• y = 2x - 1

• y = -2x - 4

• y = 3x - 7

• y = -3x - 7

Tags

CCSS.8.EE.B.6

CCSS.8.F.B.4

CCSS.8.SP.A.3