1.4 Rewrite Formulas and Equations

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Presentation transcript:

1.4 Rewrite Formulas and Equations

In this lesson you will: Rewrite equations with more than one variable. Rewrite common formulas.

Solving an equation with more than one variable. Solve 7x –3y = 8 for y -7x -7x Subtract –7x from each side -3y = 8 – 7x Divide each side by -3

Given the equation x +xy =1 Find the value of y when x = -1

Solve the equation for

y = -2

Solve the equation for the indicated variable:

Solve the equation for the indicated variable:

Solve the equation for the indicated variable:

Solve the equation for the indicated variable:

Common Formulas Take note of the formulas on page 26. These will be used throughout the course and should be put in your notes.