Radical Equations and Extraneous Roots Answers
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1
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What is the solution of ?
A
x = twelve-fifths
B
x = negative twelve-fifths
C
x = –6 or x = –3D
no solution2
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Which equation can be rewritten as x + 4 = x2? Assume
A
StartRoot x EndRoot + 2 = x
B
StartRoot x + 2 EndRoot = x
C
StartRoot x + 4 EndRoot = x
D
StartRoot x squared + 16 EndRoot = x
3
The formula that relates the length of a ladder, L, that leans against a wall with distance d from the base of the wall and the height h that the ladder reaches up the wall is . What height on the wall will a 15-foot ladder reach if it is placed 3.5 feet from the base of a wall?
A
11.5 feetB
13.1 feetC
14.6 feetD
15.4 feet4
Determine the solution for the following equation:
A
x = 3B
x = 5C
x = 13D
x = 65Did you find these answers helpful?
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