Cumulative Exam — Cumulative exam

Question 1

If f(x) is an odd function, which statement about the graph of f(x) must be true?

Revolt · Accepted Answer

It has rotational symmetry about the origin.

Question 2

Using the quadratic formula to solve 2x2 = 4x – 7, what are the values of x?

Revolt · Accepted Answer

StartFraction 2 plus-or-minus StartRoot 10 EndRoot i Over 2 EndFraction

Question 3

What is the value of 53i 9?

Revolt · Accepted Answer

125i

Question 4

Which phrase best describes the translation from the graph y = 2x2 to the graph of y = 2x2 + 5?

Revolt · Accepted Answer

5 units up

Question 5

What is the product?

Revolt · Accepted Answer

mc007-4.jpg

Question 6

Which graph can be used to find the real solution(s) to 3 – 4x = –3 – x2 – 4x?

Revolt · Accepted Answer

mc019-4.jpg

Question 7

Sandra graphed the system of equations that can be used to solve . What are the roots of the polynomial equation?

Revolt · Accepted Answer

–3, 4

Question 8

What is the difference?

Revolt · Accepted Answer

StartFraction x squared + 4 x minus 1 Over x (x + 2) EndFraction

Question 9

Which of the following describes the zeroes of the graph of f(x) = –x5 + 9x4 – 18x3?

Revolt · Accepted Answer

0 with multiplicity 3, 3 with multiplicity 1, and 6 with multiplicity 1

Question 10

The graph of f(x) = 4x3 – 13x2 + 9x + 2 is shown below. How many roots of f(x) are rational numbers?

Revolt · Accepted Answer

1

Cumulative Exam — Cumulative exam Answers