Systems of Equations Review

What is the solution to this system?

• (0,1)

• (-1,1)

• (1,-1)

• (2,0)

Tags

CCSS.8.EE.C.8B

What is the ordered pair that satisfies all equations in a system

• Solution of a system

• Graph

• System of equations

• Function

Tags

CCSS.HSA.REI.C.7

All of these are ways that we can solve systems of equations except...

• Substitution

• Elimination

• Graphing

• Difference of squares

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

There are 50 donkeys and chickens on a farm.  There are a total of 174 legs.  Which system below can be used to figure out how many of each animal the farm has?

• d + c = 174
  4d + 2c = 50

• d + c = 50
  4d + 2c = 174

• d + c = 50
  2d + 4c = 174

• d + c = 174
  2d + 4c = 50

Tags

CCSS.8.EE.C.8C

Solve:

y=3x+14
y=-4x

• (-2,8)

• (8,2)

• (2,1)

• (5,4)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Solve:

y = 3 - x

3y + x = 5

• No solution

• (1, 2)

• (3, 0)

• (2, 1)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Solve:

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

Does the system have one, none or infinite solutions?

8x + 4y = 12
y = -2x + 3

• 
  (0,3)

• No solution(parallel lines)

• Infinitely many solutions

• (3,0)

Tags

CCSS.8.EE.C.8B

Determine if (4, 1) is a solution for the system of equations.

y = -x + 5
y = 2x - 7

• Yes

• No

Solve:

3x - y = 7

2x + y = 3

• (-1,2)

• (2,-1)

• (2,5)

• (5,4)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6