Solving by Substitution (CW)

x = 4

y = x + 8

What is the solution?

• (12,4)

• (4,4)

• (4,12)

• (-4,-4)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

x = 2

y = x - 2

What is the Solution?

• (2,0)

• (0,2)

• No Solution

• Many Solution

Tags

CCSS.8.EE.C.8B

y = x - 5

2x + y = 10

What is the solution?

• (-5,0)

• (5,0)

• (0,-5)

• (0,5)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

y = -3

y = x + 5

What is the solution?

• (-8,-3)

• (-3,-8)

• (-3,8)

• (8,-3)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

These two lines intersect at _____.

• (4, -2)
• (4, 2)
• (-2, 4) 
• No solution

Tags

CCSS.8.EE.C.8A

This system has _____ solutions

• 0
• 1
• 2
• Infinitely many

Tags

CCSS.8.EE.C.8A

What is the solution?

• One Solution
• No solution
• Infinitely Many Solutions

Tags

CCSS.8.EE.C.8A

Where do these two lines intersect?

• No solution
• (-2, 3)
• (3, -2)
• (2, 3)

Tags

CCSS.8.EE.C.8A

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 following system by graphing.  What is the solution?

• (1, 2)
• (-1, 2)
• (2, 1)
• (2, -1)

Tags

CCSS.8.EE.C.8B