
Completing the Square Quiz
Interactive Video
•
Mathematics
•
9th - 10th Grade
•
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 by completing the square when the coefficient of x squared is not one?
Add a constant to both sides
Collect all variable terms on one side
Multiply both sides by the coefficient
Subtract the constant from both sides
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why do we divide by the coefficient of x squared in the process of completing the square?
To make the equation simpler
To eliminate fractions
To balance the equation
To ensure the coefficient of x squared is one
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the example problem, what number is added to both sides to complete the square?
4
16
2
8
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the challenging part of solving the example problem with fractions?
Multiplying by the coefficient
Finding the square root
Adding fractions to both sides
Dividing by zero
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the result of adding 1/3 and 1/9 in the example problem?
1/3
4/9
1/9
2/3
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the final example, what is the result of completing the square when the right side is -7?
x + 2 = ±i7
x + 2 = ±√-7
x + 2 = ±i√7
x + 2 = ±√7
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the imaginary unit 'i' used for in the final example?
To balance the equation
To handle the square root of a negative number
To simplify the equation
To represent a negative number
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