14.
ANSWER:
7-3 Rational Exponents
1
Write each expression in radical form, or write
16. CCSS TOOLS A weir is used to measure water
each radical in exponential form.
flow in a channel. (Refer to the photo on page 410)
2.
For a rectangular broad crested weir, the flow Q in
cubic feet per second is related to the weir length L
ANSWER:
in feet and height H of the water by
. Find the water height for a weir
that is 3 feet long and has flow of 38.4 cubic feet
4.
per second.
ANSWER:
ANSWER:
4 ft
Write each expression in radical form, or write
Simplify.
each radical in exponential form.
6.
18.
ANSWER:
ANSWER:
3
20.
8.
ANSWER:
ANSWER:
22.
10.
ANSWER:
ANSWER:
27
24.
12.
ANSWER:
ANSWER:
Simplify.
Solve each equation.
26.
14.
ANSWER:
ANSWER:
4
1
16. CCSS TOOLS A weir is used to measure water
28.
flow in a channel. (Refer to the photo on page 410)
ANSWER:
For a rectangular broad crested weir, the flow Q in
10
cubic feet per second is related to the weir length L
in feet and height H of the water by
30.
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Page 1
. Find the water height for a weir
ANSWER:
that is 3 feet long and has flow of 38.4 cubic feet
per second.