Transforming formulas

1. 7.5 transforming formulas
January 20, 2014
Jan 20­9:20 AM
HW pg. 369 #3­16
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2. 7.5 transforming formulas
January 20, 2014
Solve the area formula A = lw for l.
Solve for s. p = s ­ c
Solve for p. I = prt
Mar 11­10:44 AM
HW pg. 369 #3­16
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3. 7.5 transforming formulas
January 20, 2014
Solve the perimeter formula P = 2l + 2w for l.
Solve for x. y = x + 8
3
Mar 11­10:45 AM
HW pg. 369 #3­16
3

4. 7.5 transforming formulas
January 20, 2014
You plan a 425 mi trip to Bryce Canyon National Park.
You estimate you will average 50 mi/h.
To find about how long the trip will take,
solve the distance formula d = rt for t.
Then substitute to find the time.
Mar 11­10:46 AM
HW pg. 369 #3­16
4

5. 7.5 transforming formulas
January 20, 2014
An exchange student in your class wants to know
oF.
the Celsius equivalent of 77
First solve the formula F = 9/5C + 32 for C.
Then substitute to find the temperature.
Mar 11­10:47 AM
HW pg. 369 #3­16
5

6. 7.5 transforming formulas
January 20, 2014
HW pg. 369 #3­16
Mar 11­10:48 AM
HW pg. 369 #3­16
6