Solving Equations Containing Two Radicals Answers
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4
Which of the following occurs within the solution process for ?
A
squaring both sides onceB
squaring both sides twiceC
cubing both sides onceD
cubing both sides twice5
The potential solution of is x =
Answer:
-3
6
Which of the following is a valid step in the solution of
A
Option
B
Option
C
Option
D
Option
7
Which of the following best describes how to solve ?
A
Square both sides once, then solve the resulting linear equation.B
Square both sides twice, then solve the resulting linear equation.C
Square both sides once, then solve the resulting quadratic equation.D
Square both sides twice, then solve the resulting quadratic equation.8
A potential solution of is .
Answer:
1/2
9
Which statement about is true?
A
x = –4 is an extraneous solution.B
x = –4 is a true solution.C
x = 4 is an extraneous solutionD
x = 4 is a true solution.10
After eliminating radicals, what quadratic equation can you solve to find the potential solutions of ? ✔ x² - 2x - 3 = 0x² + 2x + 5 = 0x² - 4x - 3 = 02x² - 4x - 4 = 0
A
✔ x² - 2x - 3 = 0B
x² + 2x + 5 = 0C
x² - 4x - 3 = 0D
2x² - 4x - 4 = 0
14
Which statement about is true?
A
–3 is an extraneous solution because solutions can never be negative.B
–3 is an extraneous solution because substituting it into the original equation gives a false statement.C
–3 is a valid solution because substituting it into the original equation gives a true statement.15
Which statement aboutis true?
A
x = 1 is an extraneous solution.B
x = 1 is a true solutionC
x = 3 is an extraneous solution.D
x = 3 is a true solution.16
Which statement about is true?
A
is an extraneous solution.
B
is a true solution.
C
x = 2 is an extraneous solution.D
x = 2 is a true solution.Did you find these answers helpful?
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