Introduction to the Quadratic Formula

Question 1

Consider the function f(x) = 3x2 + 7x + 2.

Revolt · Accepted Answer

25; 2; two real number solutions

Question 2

01✔ 23

Revolt · Accepted Answer

✔ 2

Question 3

zero real number solutionsone real number solution✔ two real number solutions

Revolt · Accepted Answer

✔ two real number solutions

Question 4

What are the values of the coefficients and constant term of 0 = 4 – 7x2 + x in standard form?

Revolt · Accepted Answer

81995; 1; 4

Question 5

Question 81996

Revolt · Accepted Answer

1

Question 6

Question 81997

Revolt · Accepted Answer

4

Question 7

Which equations have a leading coefficient of 3 and a constant term of –2? Check all that apply. 0 = 3x2 + 2x – 20 = –2 – 3x2 + 30 = –3x + 3x2 – 2 0 = 3x2 + x + 20 = –1x – 2 + 3x2

Revolt · Accepted Answer

0 = 3x2 + 2x – 2; 0 = –3x + 3x2 – 2; 0 = –1x – 2 + 3x2

Question 8

Which operation is performed in the derivation of the quadratic formula moving from Step 6 to Step 7?

Revolt · Accepted Answer

taking the square root of both sides of the equation

Question 9

⇒ 140

Revolt · Accepted Answer

82021

Question 10

Consider the function f(x) = 3x2 + 7x + 2.

Revolt · Accepted Answer

✔ 25; 25; 2; two real number solutions

Introduction to the Quadratic Formula Answers

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