Systems to Equations

In the system of equations below, what will substituting y = -6 into the bottom equation look like?

• -3(-6) - 6y = 24

• -3x - 6(-6) = 24

• -3x +6(-6) = 24

• -3x = 24

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

What would you need to multiply the top equation by so that the x variables eliminate?

• Multiply by -1

• Multiply by 1

• Multiply by 6

• Multiply by -2

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

A system has ____________ when two lines intersect at one point. 

• One solution

• No solution

• Infinitely Many Solution

Tags

CCSS.8.EE.C.8B

If a system has one solution that means the equations in the system have:

• Same slopes, same y-intercepts

• Same slope, different y-intercepts

• different slopes

Tags

CCSS.8.EE.C.8A

A system has ____________ when the two equations coincide.

• One solution

• No solution

• Infinitely Many Solutions

Tags

CCSS.8.EE.C.8A

A system has ____________ when the two lines are parallel. 

• One solution

• No solution

• Infinitely Many Solution

Tags

CCSS.8.EE.C.8B

How many solutions will this system have?

• No Solution

• Infinitely Many Solutions

• No Clue

• One solution

Tags

CCSS.8.EE.C.8A

In the given system of equations, what does y equal?
y = 2x + 1
y = 4x - 1

• y = 2x + 1

• y = 4x - 1

• y = 2x

• y = -1

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

what is the variable that willl be "eliminated"?

5x - 4y = 11

5x + 4y = -14

• x variable

• y variables

• both variables

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

what would the top equation become when you multiply everything by -1?

• 2x - 6y = 20

• -2x - 6y = -20

• -2x + 6y = 20

• -2x + 6y = -20

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6