Point-Slope Form
Slope
How to Find the Equation of a Line Given Two Points |
FOIL (First, Outer, Inner, Last)
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Rational Expressions
Dividing Rational ExpressionsTo divide rational expressions, factor both the numerator and denominator. Next, change the division sign to multiplication and reciprocate the second term in the expression. Finally cancel like terms and you have simplified your expression.
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Multiplying Rational ExpressionsTo multiply rational expressions, factor both the numerator and denominator. Then multiply the numerators across each other and the denominators across each other. Cancel like terms and rewrite your finalized expression.
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Adding Rational ExpressionsTo add rational expressions, change the denominators so that they both are the same. Add across the top then factor your expressions. Cancel like terms and rewrite your expression.
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Subtracting Rational ExpresstionsTo subtract rational expressions, change the denominators so that they are both the same. Subtract across the numerators. Factor both the numerator and denominator and cancel like terms. Rewrite your expression.
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