Completing the Square & Quadratic Formula

Completing the Square & Quadratic Formula

9th - 10th Grade

20 Qs

quiz-placeholder

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Completing the Square & Quadratic Formula

Completing the Square & Quadratic Formula

Assessment

Quiz

Mathematics

9th - 10th Grade

Medium

CCSS
HSA-REI.B.4B, 8.EE.A.2, HSN.CN.C.7

Standards-aligned

Created by

Katherine Crowe

Used 90+ times

FREE Resource

20 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 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

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

Tags

CCSS.HSA-REI.B.4B

3.

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

Tags

CCSS.HSA-REI.B.4B

4.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Use the quadratic formula to find the solutions for

y = -x2 - 5x + 12

No Real Solution

Media Image
Media Image
Media Image

Tags

CCSS.HSA-REI.B.4B

5.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

What is one of the solutions to this equation?
(2x - 1)2 = 49
7
-7
-4
-3

Tags

CCSS.8.EE.A.2

6.

MULTIPLE CHOICE QUESTION

5 mins • 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

Tags

CCSS.HSA-REI.B.4B

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which equation shows  x2+8x+9=0x^2+8x+9=0  after the method of completing the square has been applied?

 (x+2)2=5\left(x+2\right)^2=-5  

 (x+4)2=7\left(x+4\right)^2=7  

 (x+8)2=55\left(x+8\right)^2=55  

 x2=(8x+9)x^2=-\left(8x+9\right)  

Tags

CCSS.HSA-REI.B.4B

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