8.7 Complete The Square

8.7 Complete The Square

8th Grade

25 Qs

quiz-placeholder

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8.7 Complete The Square

8.7 Complete The Square

Assessment

Quiz

Mathematics

8th Grade

Practice Problem

Hard

Created by

Crystal Minott

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25 questions

Show all answers

1.

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

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the first step to solving THIS equation by completing the square?
a2 + 10a + 21 = 0

Set the equation equal to zero
Divide 10 by 2 and add the result to both sides
Add a2 and 10a together
Subtract the 21

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

What value of c would make this a perfect sqaure trinomial?
x2 +8x + c

4
16
64
-16

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What value of c would make this a perfect square trinomial?
x2 + 2x + c

2
4
-2
1

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What value of c would make this a perfect square trinomial?
x- 12x + c

36
24
144
-36

7.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Complete the Square (this is step before you take square root on both sides)

x2 + 6x = 5

(x + 3)2 = 5

(x + 6)2 = 9

(x + 3)2 = 14

(x + 6)2 = 14

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