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Standard to Vertex by Completing the Square

Authored by Brian Seo

Mathematics

8th - 9th Grade

CCSS covered

Used 9+ times

Standard to Vertex by Completing the Square
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19 questions

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1.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Complete the Square and write in Vertex Form:
f(x) = x2 + 6x + 5

(x + 3)2 - 4
(x + 6)2 - 4
(x + 3x)2 - 4
(x + 3)2 + 9

Tags

CCSS.HSA-REI.B.4B

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

When going from the Perfect Square Trinomial to the Square of a binomial,

x2 - 4x + 4 = 20,

what goes in the blank?

(x - __ )2 = 20

4

2

8

20

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Complete the square for

x2 + 3x + ____

x2 + 3x + 9

x2 + 3x + (3/2)2

x2 + 3x - 9/2

x2 + +3x - 9/4

4.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Complete the Square
x2 + 6x = 5

(x + 3)2 = 5
(x + 6)2 = 9
(x + 3)2 = 14
(x + 6)2 = 14

Tags

CCSS.HSA-REI.B.4B

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Complete the Square
x2 + 10x + ____

x2 + 10x - 100
x2 + 10x + 100
x2 + 10x - 25
x2 + 10x + 25

Tags

CCSS.HSA-REI.B.4B

6.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Find the missing value "c" to create a perfect square trinomial:
x2 + 26x + ___ 

13
136
169
26

Tags

CCSS.HSA-REI.B.4B

7.

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

Tags

CCSS.HSA-REI.B.4B

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