10-12 Systems Review

What is the solution?

• (1, -1)
• (-1, 1)
• (0, -2)
• (0, 1)

Tags

CCSS.8.EE.C.8B

How many solutions?

• One Solution
• No solution
• Infinitely Many Solutions

Tags

CCSS.8.EE.C.8B

y = 6x - 11

-2x - 3y = -7

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

y = -3x + 5

5x - 4y = -3

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

-7x - 2y = -13

x - 2y = 11

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Solve using Elimination Method:

9x - 4y = 7

x - 4y = -17

• (-1,5)

• (-7,5)

• (7,5)

• (3,5)

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 do you need to multiply the top equation by to make a zero pair (one variable eliminate):

5x - 2y = 11

-10x + 3y = -4

• 5

• -1

• 2

• -2

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

An inequality using a > or a < has a ___________ line

• invisible
• solid
• dashed

Tags

CCSS.6.EE.B.8

Is (3,-4) a solution to this system?

• yes
• no