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Hawkes Learning Systems: Developmental Mathematics

Hawkes Learning Systems: Developmental Mathematics. Section 13.4: Solving Equations with Rational Expressions. Equations with Rational Expressions. To Solve an Equation with Rational Expressions 1. Find the LCD of the fractions.

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Hawkes Learning Systems: Developmental Mathematics

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  1. Hawkes Learning Systems:Developmental Mathematics Section 13.4: Solving Equations with Rational Expressions

  2. Equations with Rational Expressions To Solve an Equation with Rational Expressions 1. Find the LCD of the fractions. 2. Multiply both sides of the equation by this LCD and simplify to remove all fractions. 3. Solve the resulting equation. (This equation will have only polynomials on both sides.) 4. Check each solution in the original equation. (Remember that no denominator can be 0 and any solution that gives a 0 denominator is to be discarded.)

  3. Solving Equations with Rational Expressions State any restrictions on the variable, and then solve the equation.

  4. Solving Equations with Rational Expressions

  5. Solving Equations with Rational Expressions

  6. Solving Equations with Rational Expressions

  7. Solving Equations with Rational Expressions

  8. Solving a Formula for a Specified Variable The formula is used to find the surface area (S) of a right circular cylinder, where r is the radius of the cylinder and h is the height of the cylinder. Solve the formula for h.

  9. Similar Triangles In the figure shown, ABC  PQR. Find the lengths of the sides AB and QR. Set up a proportion involving corresponding sides and solve for x.

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