Review for Test over systems of equations

The solution to this system of equations is:

• (4, 3)
• (3, 4)
• (-4, 3)
• No solution

Solve by graphing.
y = 2x + 1
y = 4x - 1

• (1,3)
• (-1,-3)
• (-1,3)
• (3,1)

Solve this system of equations by graphing.

y = 1/2x + 2

and

y = -3x + 9

• (2, 3)

• (-2, -3)

• (3, 2)

• (-3, 2)

What is the solution?

• No solution
• (0, 2)
• (0, -4)
• (3, -3)

Which TWO equations make up the system in the graph shown?

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Which two equations make up the system of equations in the graph shown?

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Solve by substitution.

• (-23, 4)

• (-4, -3)

• (-2, -4)

• No solution

• Infinite solutions

Solve by substitution.

• (11, 21)

• (3, 11)

• (11, -67)

• No solution

• Infinite solutions

Solve by substitution.
y = 7x + 9
2y + 4x = -18

• (5, 0)
• (9, 18)
• (-2, -5)
• (1, 16)

Solve by substitution.

• (3, -24)

• (0, 4)

• (-24, 3)

• No solution

• Infinite solutions