
Solving Quadratic Equations with Square Roots
Interactive Video
•
Mathematics
•
9th - 10th Grade
•
Practice Problem
•
Hard
Jennifer Brown
FREE Resource
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?
Add a constant to both sides
Take the square root of both sides
Multiply both sides by a constant
Divide both sides by a constant
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If K squared equals 76, what are the possible values of K?
8.717 and -8.717
9.718 and -9.718
8.718 and -8.718
7.618 and -7.618
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What are the solutions for K if K squared equals 16?
6 and -6
3 and -3
4 and -4
5 and -5
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If x squared equals 20, what are the approximate values of x?
6.472 and -6.472
7.472 and -7.472
5.472 and -5.472
4.472 and -4.472
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why can't we take the square root of a negative number in real numbers?
It results in a negative number
It results in zero
It results in a complex number
It results in a positive number
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What should you do if you encounter a negative number under a square root while solving an equation?
Assume it is positive
Acknowledge no real solution
Consider it as zero
Ignore it
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the solution for M if M squared equals 81?
11 and -11
10 and -10
9 and -9
8 and -8
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