Central High School Battle of the Brains

Which relation is a function? (a)  

• A
• B
• C
• D

Simplify.

• A
• B
• C
• D

• Inverse Property of Addition
• Identity Property of Addition
• Addition Property of Inequality
• Commutative Property of Addition

• -5
• -3
• 3
• 5

• (x-3)(2x+2)
• (2x+6)(x+1)
• 2(x+3)(x-1)
• 2(x-3)(x-1)

Simplify.
(3x² - 2x) - (-2x² + 3x)

• x² + x
• 5x² + x
• 5x² - 5x
• x² - 5x

What is the range of the graph?

• All real numbers
• y≤0
• y ≥ 0
• x ≥ 0

√28

• 7√2
• 7√4
• 4√7
• 2√7

What is the solution of this system of equations?

x + 2y = 23

4x - y = -7

• (1, 11)

• (-11, 1)

• (-1, -11)

• (11, 1)

What is the equation that would represent all the ordered pairs below?

(-3, -14), (-1, -4), (0, 1), (2, 11), (5, 26)

• y = 5x + 1

• y = 3x - 5

• y = 4x

• y = x + 1