# Expressions, Equations, And Functions Quiz 1: Question Preview (ID: 24688)

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Use these functions P(x) = x^2 – x – 6 and Q(x) = x – 3 to answer this question. What is P(x) – Q(x)?
a) x^2 – 3
b) x^2 – 9
c) x^2 – 2x – 3
d) x^2 – 2x – 9

Which equation represents the following set of coordinates: ( –2 , 0 ) (0 , 4) (3 , –5) ( 5 , –21)?
a) y = - x^2 + 4
b) y = - x^2 + 4x
c) y = 4x^2 - 1
d) y = 4x^2 - 4

Use these functions P(x) = x^2 – x – 6 and Q(x) = x – 3 to answer this question. What is P(x) + Q(x)?
a) x^2 – 3
b) x^2 – 9
c) x^2 – 2x – 3
d) x^2 – 2x – 9

Use these functions P(x) = x^2 – x – 6 and Q(x) = x – 3 to answer this question. What is P(x) * Q(x)?
a) x^2 – 2x – 3
b) -3x^2 + 3x + 18
c) x^3 - x^2+ 6x + 18
d) x^3 - 4x^2 - 3x + 18

Use these functions P(x) = x^2 – x – 6 and Q(x) = x – 3 to answer this question. What is P(x) / Q(x)?
a) x - 2
b) x + 2
c) x + 3
d) x^2 + 2

Use these functions P(x) = x^2 – x – 6 and Q(x) = x – 3 answer this question. When is P(x) = Q(x)?
a) When x = -1 or x = - 3.
b) When x = -1 or x = - 2.
c) When x = -1 or x = 3.
d) When x = -2 or x = 3.

The zeros of a function are the values of x where the graph of the function crosses the x-axis.
a) True
b) False
c)
d)

The end behavior of a polynomial function describes the values of the function as y approaches negative and positive infinity.
a) True
b) False
c)
d)

The graph of an even parent function is symmetric with respect to the x-axis.
a) True
b) False
c)
d)

The graph of an odd parent function is symmetric with respect to the origin.
a) True
b) False
c)
d)

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