Quadratic formula

Quadratic formula

8th - 10th Grade

15 Qs

quiz-placeholder

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Quadratic formula

Quadratic formula

Assessment

Quiz

Mathematics, Other

8th - 10th Grade

Medium

CCSS
HSA-REI.B.4B, HSA.REI.B.4, HSF-IF.C.7A

+4

Standards-aligned

Created by

Dave Honebrink

Used 1+ times

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15 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Solutions of a quadratic equation are also called

roots

x-intercepts

zeros

All of the above

Tags

CCSS.HSA.APR.B.3

CCSS.HSA.REI.B.4

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

If there are no real solutions, the discriminant is

zero

a postive number

a negative number

a perfect square

Tags

CCSS.HSA-REI.B.4B

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The first step in solving quadratic equations is to . . .

factor

write the equation in standard form

use quadratic formula

complete the square

Tags

CCSS.HSA-REI.B.4B

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

If there is one solution, the discriminant is . . .

zero

a postive number

a negative number

a perfect square

Tags

CCSS.HSA-REI.B.4B

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the discriminant of x2+3x4=0x^2+3x-4=0   

25

0

-25

-13

Tags

CCSS.HSA-REI.B.4B

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why are quadratic equations set equal to zero?

Because zero is an easy number to work with.

Because we are trying to find the x-intercepts and that happens when y=0.

Because setting it equal to zero helps us find the y-intercepts.

None of the above

Tags

CCSS.HSA-REI.B.4B

7.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Use the quadratic formula to find the solutions for

y = -x2 - 5x + 12

No Real Solution

Media Image
Media Image
Media Image

Tags

CCSS.HSA-REI.B.4B

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