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Unit 7B Mastery Check 3 Quadratic Formula

Last updated almost 2 years ago

5 questions

Instructions

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Question 1

1.

Find the value of the discriminant for the following quadratic equation AND tell how many solutions it will have:

Discriminant is -29, and there are 0 real solutions

Discriminant is 11, and there are 2 real solutions

Discriminant is 29, and there are 2 real solutions

Discriminant is -11, and there are 0 real solutions

Question 2

2.

Find the value of the discriminant for the following quadratic equation AND tell how many solutions it will have:

Discriminant is -89, and there are 0 real solutions

Discriminant is 13, and there are 2 real solutions

Discriminant is 89, and there are 2 real solutions

Discriminant is 0, and there is 1 real solution

Question 3

3.

Given the following quadratic, using the quadratic formula, what would be the correct solution?

Question 4

4.

Given the following quadratic, using the quadratic formula, what would be the correct solution?

Question 5

5.

Given the following Quadratic Formula for an equation, what are the values for a, b, and c?

a = 5    b =  4     c =  13

a = 13   b =  5    c =  4

a = 4    b =  -13    c =  5

a = 5    b =  13     c =  4