Solving systems by graphing

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• b
• c
• d

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

• a
• b
• c
• d

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

• a
• b
• c
• d

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

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

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

What is a solution of a linear system?

• the slope of the line
• the y-intercept
• the point where the graphs intersect
• the rise over run

Tags

CCSS.8.EE.C.8B

Solve the system of equations by graphing.

• (0, 3)

• (5, 5)

• (-4, 6)

• (6, -4)

Tags

CCSS.8.EE.C.8B

Parallel Lines never intersect because...

• they have the same slopes. 
• they have the same y-intercept.
• they have different slopes.
• they have different y-intercepts. 

Tags

CCSS.HSA.REI.D.12

When you graph the exact same equation twice,

• you will have no solution. 
• you will have one solution.
• you will have infinite solutions. 
• you will graph a giraffe. 

Tags

CCSS.8.EE.C.8B

Which of the following shows the solution to the system?
 y= -1/4x + 4
y = 2x + 2

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• B
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• D

Tags

CCSS.8.EE.C.8B