Rearranging Formulas Worksheet
A Grade 8 math worksheet focusing on rearranging algebraic formulas to solve for different variables.
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Rearranging Formulas
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Date:
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Read each question carefully and rearrange the given formula to solve for the indicated variable. Show all your work.
1. Rearrange the formula for the area of a rectangle, A = lw, to solve for the width (w).
2. The formula for simple interest is I = Prt. Rearrange this formula to solve for the principal amount (P).
3. To solve V = lwh for h, the first step is to divide both sides by .
4. If F = ma, then a = .
5. Which of the following correctly rearranges the formula D = rt (distance = rate × time) to solve for time (t)?
t = D - r
t = D + r
t = D/r
t = r/D
6. The formula for the perimeter of a square is P = 4s. Rearrange this formula to solve for the side length (s).
7. Rearrange the formula for the circumference of a circle, C = 2πr, to solve for the radius (r).
8. The formula y = mx + b can be rearranged to solve for x as x = (y - b)/m.
True
False
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