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Math 71
6.6 – Rational Equations
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A rational equation is an equation that has one or more rational expressions in it.
To solve, we start by multiplying both sides of the equation by the _______, which will clear fractions. Note: Always check your solutions when solving rational equations. (Why? Because multiplying by the LCD might introduce extra solutions that don’t solve the original equation.)
ex:
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A rational equation is an equation that has one or more rational expressions in it.
To solve, we start by multiplying both sides of the equation by the _______, which will clear fractions. Note: Always check your solutions when solving rational equations. (Why? Because multiplying by the LCD might introduce extra solutions that don’t solve the original equation.)
ex:
4
A rational equation is an equation that has one or more rational expressions in it.
To solve, we start by multiplying both sides of the equation by the _______, which will clear fractions. Note: Always check your solutions when solving rational equations. (Why? Because multiplying by the LCD might introduce extra solutions that don’t solve the original equation.)
LCD
ex:
5
A rational equation is an equation that has one or more rational expressions in it.
To solve, we start by multiplying both sides of the equation by the _______, which will clear fractions. Note: Always check your solutions when solving rational equations. (Why? Because multiplying by the LCD might introduce extra solutions that don’t solve the original equation.)
LCD
ex:
6
A rational equation is an equation that has one or more rational expressions in it.
To solve, we start by multiplying both sides of the equation by the _______, which will clear fractions. Note: Always check your solutions when solving rational equations. (Why? Because multiplying by the LCD might introduce extra solutions that don’t solve the original equation.)
LCD
ex:
7
Ex 1.Solve:
Ex 2.Solve: Ex 3.Solve: Ex 4.Solve:
