Systems of Equations with Eliminations and Substitution

Solve the system

3x - y = 4

2x - 3y = -9

• No Solution

• ( 3 , 5 )

• ( -3 , -5 )

• ( 5 , 3 )

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

 4x + 8y = 20
-4x + 2y = -30

• (-7,1)

• (2,-5)

• (-2,5)

• (7,-1)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

What is the solution to the system? (HINT: The solution of a system is the point of intersection)

• (0, 3)

• (1, -1)

• (-3, 1)

• (1, 3)

Tags

CCSS.8.EE.C.8B

How many solutions will this system have? 

• No solution

• One Solution

• I Don't Know

• Infinitely Many Solutions

Tags

CCSS.8.EE.C.8A

Solve by elimination:
4x+9y=28
-4x-y=-28

• (-7,0)

• (6,0)

• (-6,0)

• (7,0)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Solve by elimination:
-x+2y=17

2x+2y=-10

• ARN

• (-9,4)

• (-9,-4)

• (9,-4)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Solve the system

2x + 3y = 6

x + 2y = 5

• ( 4 , -3 )

• ( -3 , 4 )

• ( 3 , 4 )

• ( 4 , 3 )

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Solve the system

2m + 3n = 6

-m + 2n = 5

• n = 2

• ( 2, -1 )

• ( 2 , 1 )

• ( -1, 2 )

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Solve the system of Equation (Elimination Method)
5x + y = 9
10x − 7y = −18

• (-4,-1)

• (-1,-4)

• (4,1)

• (1, 4) 

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Solve the system of Equation (x,y)
−4x + 9y = 9
x − 3y = −6 

• (-9,-5)

• (-5,9)

• (9,5)

• (-5,-9)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6