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Factoring and Solving Quadratic Equations

Factoring and Solving Quadratic Equations

Assessment

Interactive Video

•

Mathematics

•

6th - 8th Grade

•

Practice Problem

•

Hard

•
CCSS
6.EE.B.7

Standards-aligned

Created by

Emma Peterson

FREE Resource

Standards-aligned

CCSS.6.EE.B.7
The video tutorial explains how to solve a quadratic equation by finding two numbers that multiply to -48 and add to -2. The teacher attempts various factor pairs before identifying 6 and -8 as the correct pair. The equation is then rewritten as (x + 6)(x - 8) = 0, and each factor is set to zero to solve for x, resulting in solutions x = -6 and x = 8.

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5 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the product of the two numbers we are trying to find?

-48

-2

48

2

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which pair of numbers correctly factors -48 and adds up to -2?

8 and -6

6 and -8

4 and -12

2 and -24

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the rewritten form of the quadratic expression using the factors found?

(x + 6)(x + 8)

(x - 6)(x + 8)

(x + 6)(x - 8)

(x - 6)(x - 8)

Tags

CCSS.6.EE.B.7

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the solution for x when solving the equation x + 6 = 0?

x = -8

x = 8

x = -6

x = 6

Tags

CCSS.6.EE.B.7

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the solution for x when solving the equation x - 8 = 0?

x = -6

x = 6

x = 8

x = -8

Tags

CCSS.6.EE.B.7

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