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Radical Expressions And Equations
Test Description: Simplify radical expressions and solve radical equations.
Instructions: Answer all questions to get your test result.
1) sqrt(20) =
A
5sqrt(4)
B
4sqrt(5)
C
5sqrt(2)
D
2sqrt(5)
2) sqrt(18) =
A
9sqrt(2)
B
3sqrt(3)
C
9sqrt(3)
D
3sqrt(2)
3) sqrt(2) + 4sqrt(2)
A
3sqrt(2)
B
2sqrt(2)
C
5sqrt(2)
D
4sqrt(2)
4) 7sqrt(3) - 2sqrt(3)
A
sqrt(6)
B
14sqrt(6)
C
5sqrt(3)
D
9sqrt(3)
5) sqrt(x) = 5
A
x = 5
B
x = 25
C
x = 0
D
x = 10
6) sqrt(x) = 9
A
x = 6
B
x = 18
C
x = 81
D
x = 9
7) sqrt(x) + 7 = 11
A
x = 2
B
x = 8
C
x = 18
D
x = 16
8) sqrt(x) - 4 = 2
A
x = 12
B
x = 6
C
x = 2
D
x = 36
9) sqrt(x + 1) = 3
A
x = 8
B
x = 20
C
x = 4
D
x = 10
10) sqrt(x - 6) = 1
A
x = 0
B
x = 11
C
x = 3
D
x = 7
*select an answer for all questions
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