Solving Systems of Equations Review

Solve the system below using substitution or elimination.

7x - 5y = -24

-9x + 5y = 18

• (3, 9)

• (-3, -5/3)

• (3, 11)

• (3, -11)

Solve the system using substitution or elimination:

2x + 3y = -2

3x - 2y = 23

• (5, -4)

• (-4, 5)

• (-5, 4)

• infinite solutions

Solve the system of equations below using substitution or elimination:

4x-6y= -6

-2x-12y= -12

• (0,1)

• (1,0)

• (1,1)

• (2,1)

Which system of inequalities represents the graph.

• 3x + y ≥ 3
  x - y < -3
  y ≥ -4

• 3x + y ≤ 3

  x - y > -3
  y ≥ -4
  
  

• 3x + y < 3
  x - y ≥ -3
  y > -4

Find the y for the solution of the system

3x + y = –21

x + y = –5

• 8

• -3

• -8

• 3

For the solution (x,y) to the system of equations, what is the value of x + y

3x + y = 19

2x - y = 6

• -19

• -9

• 9

• 19

Use graphing to find the x-coordinate of the solution

Use graphing to find the x-coordinate of the solution.

Use graphing to find the x-coordinate of the solution.

Which system of linear inequalities is represented by the graph?

• y≤2x-1
  y>-2x+3

• y>2x-1
  y≤-2x+3

• y<2x-1
  y≥-2x+3

• y≤2x-1
  y>2x+3