Probability and Two-Way Tables — Cumulative exam

Question 1

The function g(x) is a translation of f(x) = (x + 3)2 – 10. The axis of symmetry of g(x) is 5 units to the right of f(x) . Which function could be g(x)?

Revolt · Accepted Answer

g(x) = (x – 2)2 + k

Question 2

A quadratic equation of the form 0 = ax2 + bx + c has one real number solution. Which could be the equation?

Revolt · Accepted Answer

0 = –2x2 – 4x – 2

Question 3

The function f(x) = x2 is translated 7 units to the left and 3 units down to form the function g(x). Which represents g(x)?

Revolt · Accepted Answer

g(x) = (x + 7)2 − 3

Question 4

Marisol grouped the terms and factored the GCF out of the groups of the polynomial 6x3 – 22x2 – 9x + 33. Her work is shown.Step 1: (6x3 – 22x2) – (9x + 33)Step 2: 2x2(3x – 11) – 3(3x + 11)

Revolt · Accepted Answer

Marisol should go back and group the terms in Step 1 as (6x3 – 22x2) – (9x – 33).

Question 5

Given the function f(x) = −2x2 + 4x − 7, find f(−4).

Revolt · Accepted Answer

−55

Probability and Two-Way Tables — Cumulative exam Answers

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