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Pre-Algebra Examples
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Pre-Algebra
Calculate the Square Root square root of 0.49x^2y^4
√
0.49
x
2
y
4
Step 1
Rewrite
0.49
x
2
y
4
as
(
0.7
x
y
2
)
2
.
√
(
0.7
x
y
2
)
2
Step 2
Pull
terms
out from under the radical, assuming positive real numbers.
0.7
x
y
2
[
x
2
1
2
√
π
∫
x
d
x
]
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