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Discriminat and Quadratic Formula

Authored by Jenifer Goff

Mathematics

9th - 11th Grade

CCSS covered

Used 9+ times

Discriminat and Quadratic Formula
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8 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

What is this formula?

This is the speed of light formula.
This is the quadratic formula.
This is the zero product property.
This is scary.

Tags

CCSS.HSA-REI.B.4B

2.

MULTIPLE CHOICE QUESTION

1 min • 12 pts

The discriminant is

aX2  + bX  +  c
b - 4ac
b2 - 4ac
b2 + 4ac

Tags

CCSS.HSA-REI.B.4B

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What does the discriminant tell us?

The maximum or minimum

The y-intercept

The number and type of solutions

The axis of symmetry

4.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

What is the discriminant and how many solutions would this quadratic have?

x2 - 6x + 9 = 0

0 so No Solutions

0 so 1 Solution

72 so 2 Solutions

-72 so No Solution

5.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

What is the discriminant and how many solutions would this quadratic have?

6x2 − 2x − 3 = 0

76; 2 solutions

-76; 0 solutions

-76; 2 soultions

76; 1 solution

6.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

What is the discriminant and how many solutions would this quadratic have?

-2x2 − x − 1 = 0

-7; 1 solution

-7; 0 Solutions

-7, 2 Solutions

none of these

7.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Solve Using the Quadratic Formula
 x2 + 4x - 40 = -8

-10 & -4
-4 & 10
-8 & 4
8 & -4

Tags

CCSS.HSA-REI.B.4B

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