1.4 – Rewrite Formulas and Equations. Example 1: Solve the formula C = 2pir for r. Then find the radius of a circle with a circumference of 44 inches.

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Presentation transcript:

1.4 – Rewrite Formulas and Equations

Example 1: Solve the formula C = 2pir for r. Then find the radius of a circle with a circumference of 44 inches.

1.4 – Rewrite Formulas and Equations Example 1b: Solve the formula d= rt for t.

1.4 – Rewrite Formulas and Equations Example 2: Solve the formula P = 2l + 2w for w.

1.4 – Rewrite Formulas and Equations Example 2b: Solve the formula A = ½h(b 1 + b 2 ) for b 2.

1.4 – Rewrite Formulas and Equations Example 3: Solve the formula 9x – 4y = 7 for y.

1.4 – Rewrite Formulas and Equations Example 4: Solve the formula 3 = 2xy -x for y.

1.4 – Rewrite Formulas and Equations Example 5: Solve the formula 2y + xy = 6 for y.

1.4 – Rewrite Formulas and Equations Example 6: Solve the formula 2xy – 5y = 8 for y.