HW: Graphing Lines in Slope-intercept Form

When graphing a line in slope-intercept form, where will you start?

• On the x-axis at the x-intercept

• On the y-axis at the y-intercept

• Anywhere on the graph works

What is another term for the y-intercept?

• growth

• x-intercept

• starting point

• slope

Tags

CCSS.HSF-IF.C.7A

What is the first step when graphing the equation,

 $y=-4x+1$  ?

• Plot the first point on the y-axis at (0, 1).

• Plot the first point on the x-axis at (-4, 0).

• Plot the first point on the x-axis at (1, 0).

• Plot the first point on the y-axis at (0, -4).

Tags

CCSS.HSA.CED.A.2

CCSS.HSA.REI.D.10

What are the steps for graphing the equation,

 $y=2x-5$  on a coordinate plane?

• Step 1:  Plot the first point on the y-axis at (0, -5).
  
  Step 2:  From the starting point, go UP 2 : RIGHT 1 to plot the next point.

• Step 1:  Plot the first point on the x-axis at (-5, 0). 
  
  Step 2:  From the starting point, go UP 2 : RIGHT 1 to plot the next point.

• Step 1:  Plot the first point on the y-axis at (0, -5).  
  
  Step 2:  From the starting point, go UP 1 : RIGHT 2 to plot the next point.

• Step 1:  Plot the first point on the x-axis at (0, -5).  
  
  Step 2:  From the starting point, go UP 2 : RIGHT 5 to plot the next point.

Tags

CCSS.HSA.CED.A.2

CCSS.HSA.REI.D.10

What are the steps for graphing the equation,  $y=-2x+3$  on a coordinate plane?

• Step 1:  Plot the first point on the y-axis at (0, 3).

  
  

  Step 2:  From the starting point, go DOWN 2 : RIGHT 1 to plot the next point.
  

• Step 1:  Plot the first point on the y-axis at (3, 0).

  
  

  Step 2:  From the starting point, go DOWN 3 : RIGHT 1 to plot the next point.
  

• Step 1:  Plot the first point on the y-axis at (0, -3).
  
  Step 2:  From the starting point, go UP 2 : RIGHT 1 to plot the next point.

• Step 1:  Plot the first point on the y-axis at (0, 3).
  
  Step 2:  From the starting point, go UP 1 : RIGHT 2 to plot the next point.

Tags

CCSS.HSA.CED.A.2

CCSS.HSA.REI.D.10

When the slope of a line is -3, what is the  $\frac{rise}{run}$  ?

•  $\frac{up\ 3}{right\ 1}$  

•  $\frac{down\ 3}{right\ 1}$  

•  $\frac{up\ 1}{right\ 3}$  

•  $\frac{up\ 3}{right\ 1}$  

Tags

CCSS.8.EE.B.5

When the slope of a line is  $\frac{3}{4}$ , what is the  $\frac{rise}{run}$  ?

•  $\frac{up\ 3}{right\ 4}$  

•  $\frac{up\ 4}{right\ 3}$  

•  $\frac{down\ 3}{right\ 4}$  

•  $\frac{down\ 4}{right\ 3}$  

Tags

CCSS.8.EE.B.5

Which line represents the equation,  $y=-2x$  ?

• Line A

• Line B

• Line C

• Line D

Tags

CCSS.HSA.CED.A.2

CCSS.HSA.REI.D.10

CCSS.HSA.REI.D.11

How would you graph a line that has the same slope as Line C and starts at (0, 2)?

• Plot the first point at (0, 2); next, go DOWN 2 : RIGHT 1 and plot the next point.

• Plot the first point at (2, 0); next, go DOWN 2 : RIGHT 1 and plot the next point.

• Plot the first point at (0, 2); next, go UP 1 : RIGHT 2 and plot the next point.

• Plot the first point at (2, 0); next, go DOWN 2 : RIGHT 1 and plot the next point.

Tags

CCSS.8.EE.B.6

CCSS.8.F.B.4

How would you graph a line that has the same slope as Line B and starts at (0, -3)?

• Plot the first point at (0, -3); next, go UP 2 : RIGHT 1 and plot the next point.

• Plot the first point at (0, -3); next, go DOWN 1 : RIGHT 2 and plot the next point.

• Plot the first point at (-3, 0); next, go UP 2 : RIGHT 1 and plot the next point.

• Plot the first point at (-3, 0); next, go DOWN 2 : RIGHT 1 and plot the next point.

Tags

CCSS.8.EE.B.6

CCSS.8.F.B.4