Solve Systems by Substitution & Graphing

What is the solution to the given system of equations?

• (-3,-8)

• (-8,-3)

• (3,-8)

• (8,3)

What type of solution to a system of equations is shown in the graph?

• one solution

• no solution

• infinitely many solutions

Tags

CCSS.8.EE.C.8B

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.8A

Given the equation

4x + 2y = 10 (standard form),

what is the slope-intercept form

of this equation (solve for y)?

• y = 2x + 5

• y = -2x + 5

• y = 4x + 10

• y = -2x - 10

Solve the system by GRAPHING.

y = 2/3x - 2

y = -x + 3

• (0,3)

• (0,-3)

• (3,0)

• (-3,0)

Which of the following graphs correctly represents:

y=x²

y=-2x+1

• 
• 
• 
• 

Graph the equations on the same coordinate plane.

What are the solutions to the system:

y = x² + 3x - 5

y = x + 3

• (-4, 2) and (-1, 5)

• (-4, -1) and (2, 5)

• (2, -1 and (-4, 5)

• (-4, 1) and (2, -1)

Solve the system using SUBSTITUTION:

5x + 3y = 7

y = 4

• (4,1)

• (4,-1)

• (1,4)

• (-1,4)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Solve the system using SUBSTITUTION:

2x − 3y = −1

y = x − 1

• (-2,-3)

• (0,-1)

• (3,4)

• (4,3)

Solve the system using SUBSTITUTION:

3x + 2y = 16

7x + y = 19

• (-2,5)

• (-2,-5)

• (2,-5)

• (2,5)