Coordinate Algebra Midterm Review

Solve using elimination method.

x-y=11

2x+y=19

• (10,-1)

• (-1,10)

• (3,-4)

• (6,7)

4x+8y=20
-4x+2y=-30

• (-7,1)
• (2,-5)
• (-2,5)
• (7,-1)

Which graph matches the inequality
r ≥ -6?

• A
• B
• C
• D

Factor:

x² + 11x + 24

• (x + 6)(x + 4)

• (x + 12)(x + 2)

• (x - 8)(x - 3)

• (x + 8)(x + 3)

Use the graph to determine the solutions.

• -1 and -3
• 1 and -3
• 1 and 3
• -1 and 3

Name the x-intercept(s)?

• 0
• 4
• 2
• 0 and 4

A line about which a figure is symmetric is the ____ __ ________

• Solution Set
• Intercept Formula
• Quadratic Function
• Axis of Symmetry

What are the coordinates of the y-intercept?

• (-3, 0)
• (0, -3)
• (2, 1)
• y=-3

What is the vertex?

• (2, 4)
• (3, -1)
• (0, 8)
• (4, 2)

What is the axis of symmetry (line of symmetry)?

• -3
• -1
• x=-3
• x=-1