Solve Equations with Rational Coefficients

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Presentation transcript:

Solve Equations with Rational Coefficients Section 6.3

Decimal Coefficients If the coefficient is a decimal, divide each side by the coefficient Example: 1.Solve 16= 0.25n. Check your solution.

Decimal Coefficients 2. -28p = 4.2 3. -4.7k = -10.81

Fraction Coefficients Remember that wo numbers with a product of 1 are called multiplicative inverses, or reciprocals. If the coefficient in a multiplication equation is a fraction, multiply each side by the reciprocal of the coefficient.

Fraction Coefficients

Fraction Coefficients

Practice Problems 1. 1.6k = 3.2 2. -2.5b = 20.5

Practice Problems

Write and solve an equation The average growth of human hair is 0.5 inch per month. Find how long it takes a human to grow 3 inches of hair. Equation: ___________ Solution: ____________

Write and solve an equation Three fourths of the fruit in a refrigerator are apples. There are 24 apples in the refrigerator. How many pieces of fruit are in the refrigerator? Equation: ___________ Solution: ____________

Essential Question What is the process for solving a multiplication equation with a rational coefficient? __________________________________________________________________________________________________________________________________________________________________________