Solve the following equation for x. Identify any extraneous solutions. Show all work.
1. square root sign 8x+1=5
Solve the following equation for x. Identify any extraneous solutions. Show all work.
1. square root sign 8x+1=5
@Mathematics
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OpenStudy (anonymous):
i just need to know what it means by identify any extraneous solutions.
OpenStudy (anonymous):
i don't know
OpenStudy (anonymous):
do you have selected answer?
OpenStudy (anonymous):
no. i have a bunch of questions but i have to find the answer myself.
OpenStudy (anonymous):
is this like this?
1. square root(8x+1)=5
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OpenStudy (anonymous):
yeah but no parenthesis.
OpenStudy (anonymous):
1. square root sign (8x+1)=5 squaring both sides gives
8x+1=5^2=25
8x=25-1
8x=24
x=24/8=3 ans
OpenStudy (anonymous):
no parenthesis?
is the square root only in 8x?
OpenStudy (anonymous):
it's sqrt sign 8x+1=5
OpenStudy (anonymous):
it's solving radical equations.
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OpenStudy (anonymous):
1. square root(8x)+1=5
square root(8x)=5-1
square root(8x)=4, squaring both sides gives
8x=4^2
8x=16
x=16/8=2 ans