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Solving Quadratic Equation by Factoring Flashcards | StudBud

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Solving Quadratic Equation by Factoring

10 terms·StudBud Administration·22 plays

This presentation will guide you by assessing your knowledge of the different mathematics concepts previously studied and your skills in performing mathematical operations. These knowledge and skills will help you in understanding solving quadratic equations by factoring.

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Questions 10

Answers

1
Solve for the roots of 8x² = 4x.
d. x = 0 or x = – 1/2
a. x = 2 or x = – 2
b. x = 0 or x = 1/2
c. x = 4 or x = 0
2
Solve for the roots of 4x² – x = 2x² + 7x.
d. x = 0 or x = 4
a. x = 4 or x = – 4
b. x = 0 or x = – 4
c. x = 4 or x = 4
3
Solve for the roots of x² = – 6x.
b. x = 0 or x = 6
d. x = 0 or x = – 6
a. x = – 2 or x = – 3
c. x = 2 or x = – 3
4
Solve for the roots of x² – 25 = 0.
a. x = 5 or x = 5
d. x = 0 or x = – 5
b. x = – 5 or x = – 5
c. x = 5 or x = –5
5
Solve for the roots of x² + 14x + 49 = 0.
a. x = 7 or x = 7
b. x = 0 or x = – 7
c. x = – 7 or x = – 7
d. x = 0 or x = 7
6
The length of your bedroom wall is 6 m more than its width. Find the width if the area of the wall is 40 m².
c. 6 m
a. 4 m
d. 7 m
b. 5 m
7
Solve for the roots of x² –16 = 0.
c. x = 4 or x = 4
d. x = – 2 or x = – 8
a. x = 4 or x = – 4
b. x = 2 or x = – 8
8
Solve for the roots of x² – 96 = 20x.
d. x = – 12 or x = –8
c. x = 32 or x = 3
b. x = 24 or x = – 4
a. x = 12 or x = – 8
9
Solve for the roots of 76x² – 72 = 9 – 24x².
d. x = – 9 or x = 10
a. x = 9/10 or x = – 9/10
c. x = 9/10 or x = 9/10
b. x = 9 or x = – 10
10
Solve for the roots of 3x² – 4x = 0.
b. x = 0 or x = 3/4
d. x = 0 or x = – 4/3
c. x = 0 or x = 4/3
a. x = 0 or x = – 3/4