3'7 Formulas

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3.7 Formulas

• Goal Solve a formula for one of its variables

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Formula - an equation which defines the
relationship of one variable to other variables
or numbers.
3
Solve the formula for t.
4
Solve the formula for a.
F is given in terms of m and a.
a is given in terms of F and m.
5
Solve the formula for the variable h.
A is given in terms of b and h.
(2)
(2)
b
b
h is given in terms of A and b.
6
Solve the formula for the variable h.
V is given in terms of r and h.
h is given in terms of V and r.
7
Solve the formula for the variable c.
F is given in terms of C.
-32 -32
C is given in terms of F.
8
Solve the formula for the variable indicated.
T P Prt r
T P Prt
-P -P
T - P Prt
Pt Pt
9
Solve the formula for the variable indicated.
T P Prt P
T P Prt
T P ( )
1
rt

T P(1 rt)
(1 rt)
(1 rt)
10
Solve the formula for the variable indicated.
A bx cx x
A x(b c)
(b c)
(b c)