What operation is used to eliminate a cube root in an equation?

Radical Equations and Their Solutions

Interactive Video
•
Mathematics
•
9th - 10th Grade
•
Hard

Thomas White
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Squaring both sides
Subtracting from both sides
Cubing both sides
Taking the square root of both sides
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the equation 3x + 1 = 4, what is the value of x after solving?
20
23
22
21
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is it important to substitute the solution back into the original equation?
To eliminate the variable
To verify the solution is correct
To find a new solution
To simplify the equation
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the cube root of -8?
4
-2
2
-4
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
When solving equations with multiple radicals, what is a recommended strategy?
Move all radicals to one side
Balance radicals on both sides
Ignore the radicals
Eliminate all radicals first
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the result of cubing the cube root of x squared?
x^3
x^2
x
2x
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is an extraneous solution?
A solution that satisfies the original equation
A solution that does not satisfy the original equation
A solution that is always correct
A solution that is always incorrect
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