Solving Systems by Graphing

What is the first step in solving a system by graphing?

• Write both linear equations in slope-intercept form

• Get x by itself

• Compare the slopes of both equations

• Write both equations in standard form

Tags

CCSS.8.EE.C.8B

How can you tell if a point is a solution to a system?

• It makes the first equation true.

• The (x,y) coordinates satisfy both equations

• It makes logical sense

• It makes neither equation negative

Tags

CCSS.HSA.REI.C.6

CCSS.HSA.REI.D.10

The solution to a system of equations is any ordered pair that makes both equations true.

• TRUE

• FALSE

Tags

CCSS.HSA.REI.C.9

^{What is the solution?}

• 1

• -2

• (1, 2)

• (1, -1)

Tags

CCSS.8.EE.C.8A

What is the solution to the system?

• (0, 3)

• (1, -1)

• (-3, 1)

• (1, 3)

Tags

CCSS.8.EE.C.8A

What is the solution?

• (2, 2)

• (3, 2)

• (3, 4)

• (2, 3)

Tags

CCSS.8.EE.C.8A

Steffen graphed two lines in order to find the solution to a given system of equations.

What is the solution?

• (-3,-8)

• (-8,-3)

• (3,-8)

• (8,3)

Tags

CCSS.8.EE.C.8B

If m=3 and b=6, what is the correct slope intercept equation?

• none

• y=3x-6

• y=3x+6

• y=6x+3

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

What is the solution?

• (1, -1)

• (-1, 1)

• (0, -2)

• (2, 0)

Tags

CCSS.8.EE.C.8B

What are the steps for graphing a line?

• 1. Plot y-intercept

  2. count slope ratio plot second point

  3. Draw the line.

• 1. Make a table

  2. Plot slope

  3. Draw line

• 1. Plot two points

  2. Check slope

  3. Draw line

• 1. Draw line

  2. Hope it is right

Tags

CCSS.HSA.REI.D.10