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Published byRosalyn Collins Modified over 9 years ago
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Warm Up
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#31 Review Any other questions on the back side of the worksheet?
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Objective Students can solve linear equations and inequalities Students can graph inequalities and write them in interval notation. Students can explain how to get rid of fractions
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Solving an Equation with a Fraction
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Finding the Least Common Multiple When we have multiple fractions we need to find the least common multiple of ALL the fractions in our equation
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More than 1 Fraction in the equation
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Fractions
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More Fraction Practice
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Solving equations with inequalities To solve an equation with an inequality we solve just as we do with an equals sign, except we trade the equals sign (=) for the inequality (, ≤, ≥) We keep the sign the same unless we DIVIDE BY A NEGATIVE in the final step to get x by itself, in which case, we flip the sign so it opens the opposite way. For example 7x - 3 > 11
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Flipping the sign If we divide by a negative in our final step to get x by itself then we flip the sign For Example -3x + 8 < 20
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Interval Notation
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Examples of unbounded intervals X>7 Graph: x≤6 Graph: X≥25 Graph:
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Interval Notation
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Examples of unbounded intervals
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HW Check
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