Modeling with Quadratic Equations — Unit test

Question 1

For which value of m does the graph of y = 18x2 + mx + 2 have exactly one x-intercept?

Revolt · Accepted Answer

12

Question 2

An architect designs a diagonal path across a rectangular patio. The path is 29 meters long. The width of the patio is x meters, and the length of the path is 5 meters more than the width.

Revolt · Accepted Answer

x2 + (x + 5)2 = 841

Question 3

Which statement about the polynomial function g(x) is true?

Revolt · Accepted Answer

If the leading coefficient of g(x) is 1, all rational roots of g(x) = 0 must be integers.

Question 4

Which is a factor of f(x) = 60x4 + 86x3 – 46x2 – 43x + 8? Use the Rational Root Theorem to help you find your answer.

Revolt · Accepted Answer

6x – 1

Question 5

Which of the following is the complete list of roots for the polynomial function ?

Revolt · Accepted Answer

–5, 3, –4 + i, –4 – i

Question 6

A rectangle’s length is 5 inches more than twice its width. Its area is 50 square inches. Which equation can be used to find its width, w?

Revolt · Accepted Answer

w(2w + 5) = 50

Question 7

Which equation is y = 3(x – 2)2 – (x – 5)2 rewritten in vertex form?

Revolt · Accepted Answer

Answer image: https://media.edgenuity.com/evresources/3111-03-10/mc011-4.jpg

Question 8

What is the value of i 20+1?

Revolt · Accepted Answer

i

Question 9

What is the greatest possible integer value of x for which is an imaginary number?

Revolt · Accepted Answer

4

Question 10

Two numbers are 10 units away in different directions from their midpoint, m, on a number line. The product of the numbers is –99.

Revolt · Accepted Answer

m2 – 100 = –99

Modeling with Quadratic Equations — Unit test Answers

More from this Course

TRY EDGENUITY HACKS