3 years ago

Independent Practice

Mathematics

1 answer:

Tatiana [17]3 years ago

8 0

Answer:

4 2

Step-by-step explanation:

Simplify the expression.

9-fraction

The result can be shown in multiple forms.

Exact Form:

√

Decimal Form:

10.82842712-square root

…

Simplify the expression.

8- subtracting

Simplify the expression.

12-addition

Evaluate.

The equation is always true.

True

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Answer:

x=3, solution is not extraneous

Step-by-step explanation:

we have

$\sqrt{8x+1}=5$

Solve for x

squared both sides

$(\sqrt{8x+1})^2=5^2$

$8x+1=25\\8x=25-1\\8x=24\\x=3$

<u><em>Verify</em></u>

For x=3

$\sqrt{8(3)+1}=5$

$\sqrt{24+1}=5$

$\sqrt{25}=5$

$5=5$ -----> is true

therefore

x=3, solution is not extraneous

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