Algebra Test Quadratic Equations 3

Question 1

What is the sum of the roots of x² - 7x + 10 = 0?

Accepted Answer

7

Answer

10

Answer

-10

Answer

-7

Question 2

Solve x² + 2x - 15 = 0 by factoring.

Accepted Answer

x = 3 and x = -5

Answer

x = -3 and x = 5

Answer

x = 5 and x = -3

Answer

x = 3 and x = 5

Question 3

How many real solutions does x² + 1 = 0 have?

Accepted Answer

No real solutions

Answer

Two real solutions

Answer

One real solution

Answer

Infinitely many

Question 4

Which form of a quadratic is easiest for reading the roots directly?

Accepted Answer

Factored form

Answer

Standard form

Answer

Vertex form

Answer

Point-slope form

Question 5

What is the product of the roots of 2x² - 6x + 4 = 0?

Accepted Answer

2

Answer

3

Answer

-3

Answer

4

Question 6

Complete the square: x² + 6x + __ = (x + 3)²

Accepted Answer

9

Answer

6

Answer

12

Answer

3