Solving Quadratics by Completing the Square

Solving Quadratics by Completing the Square

9th - 10th Grade

20 Qs

quiz-placeholder

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Solving Quadratics by Completing the Square

Solving Quadratics by Completing the Square

Assessment

Quiz

Mathematics

9th - 10th Grade

Medium

CCSS
HSA-REI.B.4B, 8.EE.A.2, HSA.APR.C.4

+4

Standards-aligned

Created by

Kylee Heath

Used 316+ times

FREE Resource

20 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

Tags

CCSS.HSA-REI.B.4B

2.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

To solve by completing the square, what needs to be moved in this equation?
x2 = 9 - 4x
the -4x
the 9
the x2

Tags

CCSS.HSA-REI.B.4B

3.

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

4.

MULTIPLE CHOICE QUESTION

15 mins • 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

Tags

CCSS.HSA-REI.B.4B

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Complete the square for
x2 + 12x + ____
x2 + 12x + 144
x2 + 12x + 36
x2 + 12x - 36
x2 + +12x - 144

Tags

CCSS.HSA-REI.B.4B

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Given the perfect square trinomial, identify the equivalent expression


x2-18x+81

(x-18)2

(x-9)2

(x+81)2

(x+9)2

Tags

CCSS.HSA.APR.C.4

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Solve the following quadratics equation by completing the square...


x2 + 4x + 1 = 0

x = -2 ± √3

x = -3 ± √2

x = 2 ± √3

x = 2 ± √2

Tags

CCSS.HSA-REI.B.4B

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