Elimination Method

x-y=11
2x+y=19

• (10,-1)
• (-1,10)
• (3,-4)
• (6,7)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Find x and y using the elimination method
2x+3y=7
2x+7y=11

• x=-2, y=-1
• x=2, y=-1
• x=2, y=1
• x=-2, y=1

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Solve using substitution
-2x + y = -2 
x +3y= -13 

• x= -1 y= -4
• x= -1, y=4
• x=1, y=4
• x=1, y= -4

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Solve using substitution:
4x-8y=0
x+2y=8

• x=4, y=2
• x=-4, y=-2
• x=1, y=3
• x=-1, y=-3

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Solve for x and y
3x-3y=9
4x+4y= -12

• x=0 y=3
• x=0, y =-3
• x=-3, y=0
• x=3 y=0

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

2 sodas and 3 hamburgers cost $8.50. 6 sodas and 1 hamburger cost $9.50. Find how much a soda and hamburger cost. 

• soda = $1.50, hamburger = $2.25
• soda=$1.25, hamburger =$2.00
• soda=$1.25, hamburger= $2.25
• soda=$1.50, hamburger =$2.50

Tags

CCSS.8.EE.C.8C

Solve by elimination:
7x-9y=29
7x+2y=-15

• (-4,-1)
• (-1, -4)
• (-1,4)
• (-1,6)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Solve the system by elimination.  

−7x + 6y = 29
10x + y = 16 

• (1,6) 
• (−1,−3) 
•  (−3, −1) 
• (−1, 3) 

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

WRITE EQUATIONS: The sum of Mr. Micklow and Ms. Craft's age is 55.  The difference is 3.  Which system of equations represents the situation?

• 2x + 3y = 55
  2x + 5y = 3
• x + y = 55
  x - y = 3
• x + y = 3
  x - y = 55

Tags

CCSS.HSA.CED.A.3

How tall is this guy?

• 6'9"
• 6'11"
• 7'1"
• 7'3"