Systems Review

Solve the following system by graphing.  What is the solution?

• Infinite number of solutions
• (3, 3)
• (3, -3)
• (-3, 3)

Tags

CCSS.8.EE.C.8B

Solve the following system by graphing.  What is the solution?

• (1, 2)
• (-1, 2)
• (2, 1)
• (2, -1)

Solve the following system by graphing.
y = 2x -11
6x - 3y = -15

• (-1.5,-4)
• (1.5,4)
• No solution (parallel lines).
• Infinitely many solutions

Solve the system by substitution.
 
5x + 4y= −14
y =  −7x  −  15 

• (-2, -1)
• (1, -2)
• (-2, 1)
• (-1, -2)

What is the solution to this system? Solve using substitution.
x - y = 6
y = 2x - 5

• (1,3)
• (-1,3)
• (-1,-7)
• (1,-7)

Solve for x and y using substitution.
3x + 2y = 16
7x + y = 19

• (-2,5)
• (-2,-5)
• (2,-5)
• (2,5)

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

• (-7,1)
• (2,-5)
• (-2,5)
• (7,-1)

Solve the system using elimination.
 
2x + 3y = 12
5x - y = 13

• (-3, -2)
• (1.5, 2)
• (6, 0)
• (3, 2)

Solve using elimination.

• (-2,-8)
• (2,-4)
• (6,-3)
• (2,-2)