
Solving Quadratic Equations with Square Roots

Interactive Video
•
Mathematics
•
8th - 10th Grade
•
Hard
Standards-aligned

Mia Campbell
FREE Resource
Standards-aligned
Read more
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the first step in solving a quadratic equation using square roots?
Subtract a constant from both sides
Multiply both sides by a constant
Take the square root of both sides
Add a constant to both sides
Tags
CCSS.HSA-REI.B.4B
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why do we include a plus or minus sign when taking the square root of both sides?
To make the equation linear
To account for both positive and negative roots
To simplify the equation
To eliminate the variable
Tags
CCSS.HSA-REI.B.4B
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
When solving (X - 5)^2 = 16, what are the two possible values for X?
X = 5 and X = -5
X = 9 and X = 1
X = 4 and X = -4
X = 8 and X = 2
Tags
CCSS.HSA-REI.B.4B
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the result of adding and subtracting 4 from 5 in the equation (X - 5)^2 = 16?
X = 8 and X = 2
X = 7 and X = 3
X = 6 and X = 4
X = 9 and X = 1
Tags
CCSS.HSA-REI.B.4B
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the equation (3X + 2)^2 = 81, what is the value of the square root of 81?
7
8
9
10
Tags
CCSS.8.EE.A.2
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What are the two solutions for X in the equation (3X + 2)^2 = 81?
X = 4/3 and X = -4/3
X = 3 and X = -3
X = 5/3 and X = -5/3
X = 7/3 and X = -11/3
Tags
CCSS.HSA-REI.B.4B
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the significance of having two real rational solutions in a quadratic equation?
The equation can be solved by graphing
The equation is linear
The equation can be solved by factoring
The equation has no solutions
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