Algebra 1a Review Quiz 2/21

What is the domain

(0,2)(3,2),(4,5),(-1,-3)

• $x=\left\{-1,0,3,4\right\}$

• $y=\left\{-3,2,5\right\}$

• $-1,0,3,4$

• $x=\left\{3,4,0,-1\right\}$

Is this a function?
(0,2) (3,2) (-1, 3) (-2, 4)

• Yes

• No

Tags

CCSS.8.F.A.1

Is this graph a function?

• Yes

• No

Is this graph a function?

• Yes

• No

Calculate the slope?
(3,4) (2,4)

•  $m=1$  

• m= 0

• Undefined

•  $m=\frac{8}{5}$ 

Tags

CCSS.8.EE.B.5

Calculate the slope?

(0,5) (0,6)

• m= 1

• Undefined

• m= 11

• m= 0

Tags

CCSS.8.EE.B.5

 $y=-\frac{2}{3}x+4$  
m=
y-intercept

• 
   $m=\frac{4}{1}\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ y-intercept=\left(0,-\frac{2}{3}\right)$  
  

•  $m=-\frac{2}{3}\ \ \ \ \ \ \ \ \ \ \ \ y-intercept=\left(0,4\right)$  

•  $m=-\frac{2}{3}\ \ \ \ \ \ \ \ \ y-interecpt=4\$  

•  $m=\frac{4}{1}\ \ \ \ \ \ \ \ \ \ y-interecpt\ =-\frac{2}{3}$  

 $y=-x+2$  

m=
y-intercept=

•  $m=\frac{2}{1}\ \ \ \ \ \ \ y-intercept=-1$  
  
  

•  $m=-\frac{1}{1}\ \ \ \ \ \ \ \ \ y-intercept=2$ 
  

•  $m=-\frac{1}{1}\ \ \ \ \ \ y-intercept\ \left(0,2\right)$ 
  

•  $m=\frac{0}{1}\ \ \ \ \ \ \ y-intercept=\left(0,2\right)$ 
  

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

Write the equation

slope=-3 and y-intercept=(0,-2)

• y=-3x

• y=-3x-2

• y=-2x-3

• y=3x-2

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

Write the equation

m=6 and b=(0,8)

• y=-8x-6

• y=-6x-8

• y=8x+6

• y=6x+8