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WorksheetsChange of Subject of Formula
Total questions: 15
Worksheet time: 29mins
Name
Class
Date
1.
Change the subject of the formula to t in the equation v=25t
a)
t=52v
b)
t=2v
2.
w = mgh make h the subject of the formula
a)
w = mgh
b)
h = mg/w
c)
h = w/mg
d)
h = wg/
3.
Which of the following has "a" as the subject of the formula?
a)
b)
c)
d)
4.
Make a the subject of
a + b = c + d
a + b = c + d
a)
a = c + d - b
b)
a = b + c + d
c)
a = b + c - d
d)
a = c - b - d
5.
Make a the subject of
a + b = c
a + b = c
a)
a = c - b
b)
a = b - c
c)
a = b + c
d)
a = bc
6.
If x = 9 (y + z), then y =
a)
b)
c)
d)
7.
If 2x - 3y = 6z, then y =
a)
b)
c)
d)
8.
a)
b)
c)
d)
9.
Solve for y:
3x + y = 12
3x + y = 12
a)
y = -3x +12
b)
x = y + 4
c)
x = y + 12
d)
y = 3x -12
10.
ax + c = R
(solve for x)
(solve for x)
a)
ax = R + c
b)
ax = R - c
c)
x = a(R-c)
d)
x = (R-c)/a
11.
V = u + at . Make a the subject
4 lines
12.
Change the subject of the equation to x.
A x - y = P
4 lines
13.
Make r the subject:
C = 2πr
C = 2πr
a)
r = C/2π
b)
r = C - 2π
c)
r = 2πC
d)
r = Cπ/2
14.
Make x the subject of y = mx + 1
a)
x = (y - 1)/m
b)
x = y - 1/m
c)
x = y/m - 1
d)
x = my - 1
15.
Make w the subject of
A = lw
A = lw
a)
w = A/l
b)
w = l/A
c)
w = A - l
d)
w = Al
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