
Solving Quadratic Equations and Roots

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

Aiden Montgomery
FREE Resource
Standards-aligned
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the square roots method primarily used for in solving quadratic equations?
To factorize the equation
To isolate the x term
To graph the equation
To solve equations without an x term
Tags
CCSS.HSA-REI.B.4B
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
When using the square roots method, what is the first step you should take?
Factor the equation
Multiply both sides by a constant
Isolate the squared term
Add a constant to both sides
Tags
CCSS.8.EE.A.2
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If x^2 = 25, what are the possible values of x?
5 and 0
0 and 25
25 and -25
5 and -5
Tags
CCSS.8.EE.A.2
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How can you express the solution to x^2 = 75?
x = ±5√3
x = ±√75
x = 8.66
x = 75
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What should you do if you encounter a negative number under a square root?
Consider it as zero
Ignore it
State no real solutions
Multiply by -1
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In Algebra 1, how do you handle the square root of a negative number?
Use imaginary numbers
Use a calculator
State no real solutions
Convert to a positive number
Tags
CCSS.8.EE.A.2
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the correct way to handle the plus or minus sign when solving (x - 6)^2 = 81?
Consider both positive and negative solutions
Add 6 to both sides
Ignore the minus sign
Only consider the positive solution
Tags
CCSS.8.EE.A.2
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