Know It All Friday - 8th Math - 11/13/20

In the equation y=mx+b, what does the m represent?

• slope
• y-intercept
• linear
• point-slope

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

CCSS.8.F.B.4

CCSS.8.SP.A.3

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

• y-intercept
• macaroni
• nothing
• slope

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

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.6

CCSS.8.F.A.3

CCSS.8.F.B.4

CCSS.8.SP.A.3

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

•  $-2$  

•  $2$  

•  $4$  

•  $-4$  

Tags

CCSS.8.F.B.4

CCSS.8.SP.A.3

Graph the line with the equation
 $y\ =\ -\frac{2}{3}x\ +\ 4$  

• 
• 
• 
• 

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

CCSS.8.F.B.4

How do you calculate slope using a graph?

• rise over run
• run over rise
• look at the y intercept
• look at the x intercept

Tags

CCSS.8.EE.B.5

CCSS.8.EE.B.6

CCSS.8.F.B.4

What is the initial value?

• -3
• 0
• 3
• 20

Tags

CCSS.8.F.B.4

CCSS.8.SP.A.3

_{What is the y-intercept of the line?}

• y = 1/2
• y = 1
• y = -1/2
• y = -1

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

CCSS.8.F.B.4

What is the rate of change for the following graph?

• 80
• 20
• 40
• 160

Tags

CCSS.HSF.IF.B.6

CCSS.HSS.ID.C.7

The y-intercept represents the initial value, true or false.

• True

• False

Tags

CCSS.HSS.ID.C.7