Unit Test — Unit test

Question 1

What number should be added to both sides of the equation to complete the square? x2 – 10x = 7

Question 2

Brianna is graphing the function f(x) = x2 + 6x + 5. What x-intercepts should Brianna use to graph f(x)?

Revolt · Accepted Answer

–5 and –1

Question 3

Which equations are true for x = –2 and x = 2? Select two optionsx2 – 4 = 0x2 = –4 3x2 + 12 = 04x2 = 162(x – 2)2 = 0

Question 4

What are the solutions of the quadratic equation (x + 3)2 = 49?

Revolt · Accepted Answer

x = 4 and x = –10

Question 5

Which are the roots of the quadratic function f(q) = q2 – 125? Select two options.q = 5q = -5q = 3q = -3q = 25

Unit Test — Unit test Answers