Introduction to the Quadratic Formula

Name: Revolt
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Question 1

Which equation has the components of 0 = x2 – 9x – 20 inserted into the quadratic formula correctly?

Revolt · Accepted Answer

C: x =

Question 2

Determine the zeros of the function f(x) = 3x2 – 7x + 1.

Revolt · Accepted Answer

A: x =

Question 3

3. Determine the values for a, b, and c. a =

Revolt · Accepted Answer

A: –2

Question 4

Did Trish find the correct zeros of this function? Explain.

Revolt · Accepted Answer

D: No, the function has no real number zeros.

Question 5

b =

Revolt · Accepted Answer

B: 1

Question 6

c =

Revolt · Accepted Answer

D: 5

Question 7

4. Analyze the discriminant.b2 – 4ac =

Revolt · Accepted Answer

D: 41

Question 8

The quadratic function will have .

Revolt · Accepted Answer

A: 2 real number zeros

Introduction to the Quadratic Formula Answers