What is the initial equation given in the problem?

Solving Equations and Complex Numbers

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

Thomas White
FREE Resource
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15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
2(3x - 1)^2 + 9 = 0
3x^2 - 1 + 9 = 0
3(2x - 1)^2 + 9 = 0
2x^2 - 3x + 9 = 0
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the first step to isolate the squared term?
Subtract 9 from both sides
Divide both sides by 3
Add 9 to both sides
Multiply both sides by 2
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
After isolating the squared term, what is the equation?
(3x - 1)^2 = -9/2
(3x - 1)^2 = 9/2
(3x - 1)^2 = 9
(3x - 1)^2 = -9
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What property is applied to solve the equation after isolating the squared term?
Factoring
Completing the Square
Square Root Property
Quadratic Formula
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the simplified form of the square root of negative nine?
-3
-3i
3i
3
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the imaginary unit 'i' equivalent to?
√-1
√1
-1
1
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How is the expression 3i over the square root of 2 rationalized?
Multiply by 2
Multiply by square root of 2
Multiply by square root of 3
Multiply by 3
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