Systems of Equations

Determine if the given point (-4, -2) is a solution to the system of equations shown in the picture.

• Yes

• No

The system shown in the picture has an infinite number of solutions. Which point(s) are NOT solutions to the system.

• (0, 6)

• (0, 2)

• (1, 5)

• (3, 0)

Tags

CCSS.HSA.REI.C.9

What would be the best algebraic method to solve the system pictured?

• Substitution

• Elimination

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Solve the system of equations by SUBSTITUTION.

• (4, 0)

• (0, 4)

• No Solution

• Infinite Solutions

Tags

CCSS.8.EE.C.8B

What is the goal when you are using the elimination method?

• To add the variables together

• To get no solution

• To cancel out a variable when you add the equations together

• For the equations to have the same signs

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

When solving by substitution you can isolate either x or y, it doesn't matter which one.

• True

• False

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Solve the system by ELIMINATION.

• (4, 8)

• (8, 4)

• (-4, 25/3)

• No Solution

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

What would you have to multiply the bottom equation by to eliminate the y's?

• -4

• 4

• -1

• Nothing

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Choose the two equations that are pictured in the graph.

• y = 2x - 3

• y = (-4/3)x + 3

• y = -x + 3

• y = (2/3)x - 3

Which variable would be easiest to eliminate?

• x

• y

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6