Mastering Change of Subject in Equations
Authored by Oluwagbemisola Oriowojide
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11th Grade
Used 1+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Rearrange the formula A = πr² to make r the subject.
r = πA
r = A/π
r = 2πA
r = √(A/π)
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If F = ma, change the subject to a.
a = F/m
a = F - m
a = F + m
a = m/F
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Given the equation C = 2πr, express r in terms of C.
r = 2C / π
r = C / (2π)
r = C / π
r = C / (4π)
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
From the formula V = lwh, solve for h.
h = V - (lw)
h = V * (lw)
h = V / (lw)
h = V + (lw)
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If P = 2(l + w), change the subject to l.
l = P/2 - 2w
l = P - 2w
l = (P/2) - w
l = P/2 + w
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Rearrange the equation I = V/R to make V the subject.
V = I * R
V = I / R
V = I + R
V = R - I
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
From the formula A = P(1 + rt), express t in terms of A, P, and r.
t = P(1 + A/r)
t = ((A/P) - 1) / r
t = A / (P + r)
t = A - Pr
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