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148: linear rational equations

Last updated about 5 years ago

11 Nsɛmmisa

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Notes L8-6: Solving Basic Rational Equations

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Example:

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Finish the first 3 sections of DeltaMath.

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1.

How to you solve rational equations (for example: \frac{2}{x} = \frac{x}{18})

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2.

Solve: \frac{2}{x} = \frac{x}{18}

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3.

How do you solve basic rational equations?

Distribute
Solve for x.
Cross multiply

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4.

Solve: \frac{x-1}{x-5}=\frac{5}{7}

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5.

Solve: \frac{2x}{5}=\frac{10}{x}

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6.

Solve: \frac{2}{x-3}=\frac{3}{x+7}

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7.

Solve: \frac{x-5}{x+4}=\frac{2}{x}

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8.

Solve: \frac{x-7}{3}=\frac{x+5}{4}

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9.

Solve: \frac{7}{2x}=\frac{x}{4}

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10.

Solve: \frac{5x+8}{5x-1}=\frac{4}{9}

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11.

Choose all that are true

I am confident in this lesson.

I would like some assistance.

I can cross multiply / distribute.

I can solve for x when linear.

I can solve for x when quadratic.