Systems of Equations

Solve the system of equations.

7x + 4y = 12

x + 2y = -4

• (-4, 4)

• (4, 4)

• (4, -4)

• (-4, -4)

Solve the system of equations.

x + 2y = -4

x - 2y = 8

• (2, 5)

• (2, -3)

• (2, -2)

• (-3, 2)

Solve the system of equations.

7x - 2y = 6

x - 2y = -6

• (2, 4)

• (3, -2)

• (1, 2)

• (-2, -4)

Solve the system of equations.

x - 4y = 16

5x + 4y = 8

• (4, -3)

• (-3, 4)

• (4, 3)

• (3, -4)

x + y = 3

3x - y = 1

• (2, 1)

• (-1, 2)

• (1, 2)

• (-2, -1)

x - y = -2

y = -2

• (1, -2)

• (-1, -2)

• (-4, -2)

• (4, -2)

x = - 3

2x + 3y = 6

• (4, 3)

• (-4, 3)

• (-3, 4)

• (3, -4)

Solve for x and y

y = 2x + 1

y = 4x - 1

• (1, 3)

• (-1, -3)

• (-1, 3)

• (3, 1)

If a system of equations has no solution, what does the graph look like? 

• intersecting lines
• parallel lines
• skew lines
• intersecting lines

Tags

CCSS.8.EE.C.8A

What is the solution?

• One Solution
• No solution
• Infinitely Many Solutions
• (0, -1.5)

Tags

CCSS.8.EE.C.8B