Equations of Lines and Slope

Which equation matches the graph? 

• $y=-\frac{1}{4}x+2$

• $y=\frac{1}{4}x+2$
  

• $y=4x+2$
  

• $y=2x+4$
  

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

Match the equation to the correct graph:

 $y=-\frac{1}{2}x+7$  

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Tags

CCSS.HSA.CED.A.2

CCSS.HSA.REI.D.10

CCSS.HSF.IF.B.4

CCSS.HSF.IF.C.7

What is the slope (m) of the line?

 $y=\frac{5}{4}x-9$  

•  $m=-9$  

•  $m=-\frac{5}{4}$  

•  $m=\frac{5}{4}$  

• 5 units right and 4 units up

• can't be determined

Tags

CCSS.8.EE.B.5

What is true about slope (m)? Select all that apply?

•  $m=\frac{rise}{run}$  

•  $m=\frac{change\ in\ y}{change\ in\ x}$  

•  $m=\frac{y_2-y_1}{x_2-x_1}$  

• m is always constant

• m is the steepness of a line

Tags

CCSS.8.EE.B.5

What is the slope (m) parallel to the line?

 $y=\frac{1}{2}x+3$  

•  $m=3$  

•  $m=\frac{1}{2}$  

•  $m=-\frac{1}{2}$  

•  $m=-2$  

Tags

CCSS.8.EE.B.5

What is the slope (m) perpendicular to the line?

 $y=\frac{3}{2}x-4$  

•  $m=-4$  

•  $m=\frac{3}{2}$  

•  $m=\frac{2}{3}$  

•  $m=-\frac{2}{3}$  

Tags

CCSS.8.EE.B.5

True or false, slope is modeled on a graph by a right triangle?

• true

• false

Tags

CCSS.8.EE.B.5

Are these lines parallel, perpendicular, or just intersecting (not at a right angle)? 

Feel free to graph if needed.

 $y=-4x+3$ and  $y=-4x-1$  

• parallel

• perpendicular

• intersecting (not at a right angle)

Tags

CCSS.HSG.GPE.B.5

Are these lines parallel, perpendicular, or just intersecting (not at a right angle)? Feel free to graph if needed. $y=-\frac{2}{3}x+3$  and  $y=\frac{4}{3}x-1\$  

• parallel

• perpendicular

• intersecting (not at a right angle)

Tags

CCSS.8.EE.B.6

What is the equation of the line that is parallel to  $y=5x+7$ and goes through the point (0, -2)?

Feel free to graph.

• y = 5x - 2

• y = -2x + 7

• y = 5x-10

• y = -1/5x - 2

Tags

CCSS.HSG.GPE.B.5