1.4

1
1.4 Rewrite Formulas and Equations
2
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.

3
1.4 Rewrite Formulas and Equations

• Example 1b
• Solve the formula d rt for t.

4
1.4 Rewrite Formulas and Equations

• Example 2
• Solve the formula P 2l 2w for w.

5
1.4 Rewrite Formulas and Equations

• Example 2b
• Solve the formula A ½h(b1 b2) for b2.

6
1.4 Rewrite Formulas and Equations

• Example 3
• Solve the formula 9x 4y 7 for y.

7
1.4 Rewrite Formulas and Equations

• Example 4
• Solve the formula 3 2xy -x for y.

8
1.4 Rewrite Formulas and Equations

• Example 5
• Solve the formula 2y xy 6 for y.

9
1.4 Rewrite Formulas and Equations

• Example 6
• Solve the formula 2xy 5y 8 for y.