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Let’s check out your problem:
Simplify:
1
9
x
9
8
x
3
\frac{\frac{1}{9x}}{\frac{9}{8x^{3}}}
8
x
3
9
9
x
1
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Home
Math Problems
Algebra 1
Multiplication with rational exponents
Full solution
Q.
Simplify:
1
9
x
9
8
x
3
\frac{\frac{1}{9x}}{\frac{9}{8x^{3}}}
8
x
3
9
9
x
1
Simplify Division of Fractions:
Simplify the division of
fractions
by multiplying by the reciprocal of the divisor.
\newline
Calculation:
(
1
9
x
)
×
(
8
x
3
9
)
\left(\frac{1}{9x}\right) \times \left(\frac{8x^3}{9}\right)
(
9
x
1
)
×
(
9
8
x
3
)
Multiply Numerators and Denominators:
Multiply the numerators and the denominators.
\newline
Calculation:
(
1
×
8
x
3
)
/
(
9
x
×
9
)
(1 \times 8x^3) / (9x \times 9)
(
1
×
8
x
3
)
/
(
9
x
×
9
)
Simplify Expression:
Simplify the expression by cancelling and reducing terms.
\newline
Calculation:
(
8
x
3
)
/
(
81
x
)
(8x^3) / (81x)
(
8
x
3
)
/
(
81
x
)
Cancel
x
x
x
in Numerator and Denominator:
Cancel
x
x
x
in the numerator and denominator.
\newline
Calculation:
(
8
x
2
)
/
81
(8x^2) / 81
(
8
x
2
)
/81
More problems from Multiplication with rational exponents
Question
Let
h
(
x
)
=
log
2
(
x
)
h(x)=\log _{2}(x)
h
(
x
)
=
lo
g
2
(
x
)
.
\newline
Can we use the mean value theorem to say the equation
h
′
(
x
)
=
1
h^{\prime}(x)=1
h
′
(
x
)
=
1
has a solution where
1
<
x
<
2
1<x<2
1
<
x
<
2
?
\newline
Choose
1
1
1
answer:
\newline
(A) No, since the function is not differentiable on that interval.
\newline
(B) No, since the average rate of change of
h
h
h
over the interval
1
≤
x
≤
2
1 \leq x \leq 2
1
≤
x
≤
2
isn't equal to
1
1
1
.
\newline
(C) Yes, both conditions for using the mean value theorem have been met.
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Posted 9 months ago
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39 \frac{11}{13}+\left(-41 \frac{1}{13}\right) \text { ? }
39
13
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(
−
41
13
1
)
?
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(A) Positive
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(B) Negative
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(C) Neither positive nor negative-the sum is zero.
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(A) Positive
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(B) Negative
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What is the sign of
−
18
9
17
+
(
−
18
9
17
)
-18 \frac{9}{17}+\left(-18 \frac{9}{17}\right)
−
18
17
9
+
(
−
18
17
9
)
?
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1
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1
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(A) Positive
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(B) Negative
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(C) Neither positive nor negative-the sum is zero.
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What is the sign of
23
45
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23
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−
45
23
)
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1
1
1
answer:
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(A) Positive
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(B) Negative
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(C) Neither positive nor negative-the sum is zero.
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What is the sign of
45
+
(
−
38
)
45+(-38)
45
+
(
−
38
)
?
\newline
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1
1
1
answer:
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(A) Positive
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(B) Negative
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What is the sign of
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-49.8+61.2
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(B) Negative
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What is the sign of
−
1.69
+
(
−
1.69
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?
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1.69
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(
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1.69
)?
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1
1
1
answer:
\newline
(A) Positive
\newline
(B) Negative
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What is the sign of
37
+
(
−
37
)
37+(-37)
37
+
(
−
37
)
?
\newline
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1
1
1
answer:
\newline
(A) Positive
\newline
(B) Negative
\newline
(C) Neither positive nor negative-the sum is zero.
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Question
g
(
x
)
=
2
x
−
9
g
′
(
x
)
=
?
\begin{array}{l} g(x)=\sqrt{2 x-9} \\ g^{\prime}(x)=? \end{array}
g
(
x
)
=
2
x
−
9
g
′
(
x
)
=
?
\newline
Choose
1
1
1
answer:
\newline
(A)
2
x
−
9
2
\frac{\sqrt{2 x-9}}{2}
2
2
x
−
9
\newline
(B)
1
2
x
−
9
\frac{1}{\sqrt{2 x-9}}
2
x
−
9
1
\newline
(C)
1
2
2
x
−
9
\frac{1}{2 \sqrt{2 x-9}}
2
2
x
−
9
1
\newline
(D)
1
x
\frac{1}{\sqrt{x}}
x
1
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Posted 9 months ago
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