Graphing Linear Equations

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

• y-intercept

• point on the line

• x-intercept

• slope

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

• y-intercept

• slope

• point on the line

• x-intercept

What is the y-intercept in the following equation: y=-4/3x-5

• -4/3

• -4

• 5

• -5

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.HSF.IF.C.7

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.HSG.GPE.B.5

CCSS.HSS.ID.C.7

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.HSA.CED.A.2

CCSS.HSA.REI.D.10

CCSS.HSA.REI.D.11

CCSS.HSF.IF.B.4

CCSS.HSF.IF.C.7

Match the equation to the correct graph:

 $y=-\frac{1}{2}x+7$  

• 
• 
• 
• 

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?

• 3/2

• -3/2

• (-0,-3)

• 2/3

Which is the equation of the line with y-intercept -2 and slope 6/1?

• y = -2x + 6

• y = 3x

• y = -2x - 6

• y = 6x - 2

Write the slope-intercept form of the equation that has a slope of 4 and a y-intercept of −3.

• y = 4x − 3

• y = −3x + 4

• y = −4x + 3

• y = 3x − 4

Tags

CCSS.8.F.A.3

CCSS.8.EE.B.6