Quiz about Literal Equations

Question 1

Solve for t.
D= rt

Accepted Answer

D/r = t

Answer

Dr = t

Answer

D/t = r

Answer

Dt = r

Question 2

Solve for x:

Accepted Answer

x = by + v

Answer

x = yb - v

Answer

x = by - v

Question 3

Solve for y:
5x - y = 16

Accepted Answer

y = 5x - 16

Answer

-y = 5x + 16

Answer

y = 5x + 16

Answer

x = 5y - 16

Question 4

Solve for n:
2m - n = 8

Accepted Answer

n = 2m - 8

Answer

n = -2m - 8

Answer

n = 2m + 8

Answer

n = -2m + 8

Question 5

ax + c = R
(solve for x)

Accepted Answer

x = (R-c) / a

Answer

ax = R + c

Answer

ax = R - c

Answer

x = a(R-c)

Question 6

Which expression represents the value of e in the equation:

dx + e = f

Accepted Answer

e = f-dx

Answer

e = (f + e)/d

Answer

e = (f - x)/d

Answer

e = d/(x - f)

Question 7

Solve the equation for w. ^{x = w / a}

Accepted Answer

w = ax

Answer

w = a / x

Answer

w = x / a

Answer

x = wa

Question 8

What should we do first to solve for x?
y=mx+b

Accepted Answer

Subtract

Answer

Add

Answer

Multiply

Answer

Divide

Question 9

S = 3F - 24 Solve for F

Accepted Answer

F = (S + 24)/3

Answer

F = S/3 + 24

Answer

F = 3S + 24

Answer

F = 3(S + 24)

Question 10

a = b + c   , for  c

Accepted Answer

c = a - b

Answer

c = a + b

Answer

c = ab

Answer

c = a / b

Question 11

The formula for the area of a rectangle is A=lw, where l is the length and w is the width. Find the area of a rectangle that has a length of 8 inches and a width of 9 inches.

Accepted Answer

72 in.2

Answer

89 in.2

Answer

17 in.2

Answer

16 in.2

Question 12

Convert 25 degrees Celsius into Fahrenheit using the formula 1.8C + 32 where C stands for the degrees Celsius.

Accepted Answer

77 degrees

Answer

57 degrees

Answer

58 degrees

Answer

46 degrees

Question 13

Find the perimeter of a rectangle using the formula 2l + 2w, where l stands for the length and w stands for the width. Use 12 cm for the length and 8 cm for the width.

Accepted Answer

40 cm

Answer

28 cm

Answer

32 cm

Answer

20 cm

Question 14

Use A = lw
Find A, when l = 2.4 m and w = 7.2 m

Accepted Answer

17.28 m

Answer

9.6 m

Answer

4.8 m

Answer

3 m

Question 15

The formula below gives the time taken to roast a chicken:
T = 2M + 0.5
where T = time taken in hours, M = mass in kg. Find the time taken to roast a chicken with a mass of 3kg.

Accepted Answer

6.5kg

Answer

23.5kg

Answer

5.5kg

Answer

5kg

Question 16

Use P = 2l + 2w
Find P, when l = 4.1 in and w = 5.9 in

Accepted Answer

20 in

Answer

10 in

Answer

24.19 in

Answer

96.76 in

Question 17

The formula below gives the total number of figs in a tree:
F = 150 - 5M
where F = the number of figs and M = the number of monkeys in the tree. How many figs are there in a tree with 20 monkeys?

Accepted Answer

50

Answer

o

Answer

98

Answer

130

Question 18

Use A = lw
Find A, when l = 6 cm and w = 12 cm

Accepted Answer

72 cm

Answer

2 cm

Answer

18 cm

Answer

6 cm

Literal Equations

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