Transposition of Formulae Worksheet
Grade 9 math worksheet focusing on the transposition of formulae, including rearranging equations to solve for different variables.
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Transposition of Formulae
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Rearrange the given formulae to make the specified variable the subject. Show all your working steps clearly where indicated.
1. Make 'x' the subject of the formula: y = x + 5. x =
2. Make 'a' the subject of the formula: F = ma. a =
3. Make 'h' the subject of the formula: A = bh. h =
4. Make 'r' the subject of the formula: C = 2πr.
5. Make 'x' the subject of the formula: y = mx + c.
6. If V = IR, which of the following correctly expresses 'I' in terms of V and R?
I = V - R
I = V / R
I = V + R
I = VR
7. Make 't' the subject of the formula: s = ut + (1/2)at².
8. Make 'x' the subject of the formula: A = P(1 + rx).
Match each original formula with its correctly transposed version for the indicated variable.
1. P = 2(l + w) for 'l'
a. h = V / (πr²)
2. V = πr²h for 'h'
b. l = (P/2) - w
3. F = Gm₁m₂/r² for 'G'
c. G = Fr² / (m₁m₂)
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