SOLVING SYSTEMS OF EQUATIONS BY ELIMINATION

Solve using Elimination. 
 4x + 8y =  20
-4x + 2y = -30

• (-7,1)

• (2,-5)

• (-2,5)

• (7,-1)

Tags

CCSS.HSA.REI.C.6

CCSS.8.EE.C.8B

 Solve using elimination.
 7x + 2y = 24
  8x + 2y = 30

• (6,-9)

• (-9,6)

• No solution

• Infinite number of solutions

Tags

CCSS.8.EE.C.8B

If two lines are parallel, how many solutions do they have?

• 1

• 2

• infinite

• none

Tags

CCSS.8.EE.C.8B

Solve by elimination:
4x + 4y = 4
   3x + 4y =10

• (7,-6)

• (-6,7)

• (6,7)

• (7,6)

Tags

CCSS.HSA.REI.C.6

CCSS.8.EE.C.8B

Solve the system by elimination.
  5x + 8y = -12
3x + 5y = -7

• (1, -10)

• No solution

• (-4, 1)

• (1, 10)

Tags

CCSS.HSA.REI.C.5

CCSS.HSA.REI.C.6

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

• (-7,0)

• (6,0)

• (-6,0)

• (7,0)

Tags

CCSS.HSA.REI.C.6

CCSS.8.EE.C.8B

Will the solution (-3, -7) make the following system of equations a true statement? 
y = 4x + 5
y = x – 4

• YES

• NO

Tags

CCSS.HSA.REI.C.6

CCSS.HSA.REI.D.11

Parallel Lines never intersect because...

• they have the same slopes. 

• they have the same y-intercept.

• they have different slopes.

• they have different y-intercepts. 

Tags

CCSS.HSG.CO.A.1

CCSS.HSG.CO.C.9

CCSS.HSG.GPE.B.5

Which of the following is NOT a method to solve systems?

• Elimination

• Distribution

• Substitution

• Graphing

Tags

CCSS.HSA.REI.C.5

CCSS.HSA.REI.C.6

Determine how many solutions the system has.

• One Solution

• No Solutions

• Infinitely Many Solutions

• Mikey is my friend.