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Solving quadratic functions

Authored by Trish Hickman

Mathematics

8th - 9th Grade

CCSS covered

Used 30+ times

Solving quadratic functions
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16 questions

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1.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Media Image

Find the zeros.

0 and 4
0 and -4
0
-4

Tags

CCSS.HSF-IF.C.7A

2.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

What are the solutions to this equation? (x-3)(x+2)=0

x=3,-2
x=-3,2
x=2,3
x=3,2

Tags

CCSS.HSA-REI.B.4B

3.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Media Image

√3
±√3
-3
No real solution

Tags

CCSS.8.EE.A.2

4.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Solve the equation: 
5x2 - 35x + 60 = 0

x = 3,  -4
x = -3,  4
x = 3,  4
x = -3,  -4

Tags

CCSS.HSA-REI.B.4B

5.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Solve the equation:
4x2+2x - 6 = 0

x = 1 & -1.5
x = -1 & 1.5
x = (-2 ±√92)/8
x = (-2 ± √100)/8

Tags

CCSS.HSA-REI.B.4B

6.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

What should you do first to solve this equation using quadratic formula?

x2 + 6x - 13 = 3

Get factored form

Write down: a=1, b=6, c=-13

Make it equal 0 by subtracting 3 on each side

Type it all in a calculator.

Tags

CCSS.HSA-REI.B.4B

7.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Solve for x:

(x + 6)2 = 49

x=7,12

x=±7

x=1,-13

x=43,-55

Tags

CCSS.8.EE.A.2

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