Free Printable Solving for Variables in Formulas

1.

ax+r=7
solve for r $\$

a)

$r=7-\frac{a}{x}$

b)

r=7-ax

c)

r=7+ax

d)

r=7ax

2.

Solve for x:

a)

x = yb - v

b)

x = by - v

c)

x = by + v

d)

$x=\frac{by}{v}$

3.

Solve the following for x:

dx + e = f

a)

x = (f + e)/d

b)

x = (f - e)/d

c)

x = d/(e - f)

d)

x = d/(e + f)

4.

a)

T = PV/K

b)

T = PK/V

c)

T=KV/P

d)

Greenland

5.

Rewrite this formula and solve for the variable p. i = p × r × t

a)

p = i - r - t

b)

p = r t / i

c)

p = i / r t

d)

p = ( i - r ) / t

6.

Rewrite this formula and solve for the variable r. C = 2πr

a)

r = 2π / C

b)

r = C - 2 - π

c)

r = C - 2π

d)

r = C / 2π

7.

Rewrite this formula and solve for the variable W. P = 2L + 2W

a)

W = P/2 - 2L

b)

W = P - 2L

c)

W = (2L - P) / 2

d)

W = (P - 2L) / 2

8.

Rewrite this formula and solve for the variable h. $A=\frac{bh}{2}$

a)

h = 2A / b

b)

h = A - ½b

c)

h = 2A - b

d)

h = A / b

9.

S = 3F - 24 Solve for F

a)

F = (S + 24)/3

b)

F = S/3 + 24

c)

F = 3S + 24

d)

F = 3(S + 24)

10.

Solve for I in the following formula: $V=IR$

a)

I = V/R

b)

I = R/V

c)

I = RV

d)

I = VR

11.

pV = nRT
solve for R

a)

R= pV/nT

b)

R= p/n + V/T

c)

R= pV - nT

d)

R= (pV-n)/T

12.

a)

(2.5+h)f

b)

g=1

c)

f(5+h)/2

d)

(5f+h) / 2

13.

a)

b = 3A - a - c

b)

b = -3A + a - c

c)

b = -3A - a - c

d)

b = 2A - c

14.

$ax-5\ =\ b;\ for\ a$

a)

$x\left(b+5\right)$

b)

$\frac{\left(b-5\right)}{x}$

c)

$\frac{\left(b+5\right)}{x}$

d)

$x\left(b-5\right)$

15.

How long does it take for Ms. Widell to drive to work if the distance from her house is 35 miles and she travels at a rate of 70 miles per hour?

a)

2 hours

b)

0.5 hours

c)

2 miles

d)

0.5 miles

16.

Serena drew a circle with a circumference of 157 centimeters. What is the approximate radius of the circle she drew? Hint: $C=2\pi r$

a)

1.57 cm

b)

15.7 cm

c)

50 cm

d)

25 cm

Solving for Variables in Formulas

Total questions: 16

Worksheet time: 1hrs 20mins

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