Solving Quadratic Equations by Completing the Square

Solving Quadratic Equations by Completing the Square

9th Grade

15 Qs

quiz-placeholder

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Solving Quadratic Equations by Completing the Square

Solving Quadratic Equations by Completing the Square

Assessment

Quiz

Mathematics

9th Grade

Hard

Created by

Anthony Clark

FREE Resource

15 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Solve by completing the square.
x2 +12x = 5

X = 6 + √41 or  6 − √41

X= 35 or 47

X = −6 + √41 or  −6 − √41

X = √35 or √47

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What do you do to the b value to correctly complete the square?

square it

divide it by 2 and square the result

divide it by 2 and take the square root of the result

divide it by 2 only

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

When factoring
x2 - 4x + 4 = 20,
what goes in the blank?
(x - __ )2 = 20

4

2

8

20

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

When do you use the plus or minus symbol?
±

After taking the square root of both sides

After adding the square to both sides

After taking half of b

After setting the equation equal to zero

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is one of the solutions to this equation?
(2x - 1)2 = 49

7

-7

-4

-3

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Write the following quadratic expression in completed square form...

x2 + 6x = 5

(x + 3)2 = 5

(x + 6)2 = 9

(x + 3)2 = 14

(x + 6)2 = 14

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Write the following quadratic expression in completed square form... x2 + 4x + 10

(x + 4)2 + 6

(x + 2)2 + 6

(x + 4)2 - 6

(x + 2)2 - 6

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