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Published byCarmel Carter Modified over 4 years ago

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4-3 Solving Multiplication Equations Standard : PFA Indicator: P9 (same as 4-2)

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Important Steps to Remember! Your goal for every equation… Use the… –(or opposite operation) Keep the equation… Show every… To Isolate the variable Inverse operation Balanced Step!

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What is the inverse of multiplying? Dividing Examples 1)-2.5b = 40.5 -2.5b = 40.5 -2.5 -2.5 b = -16.2 Check -2.5 × (-16.2) = ??

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2) 42 = -3f 42 = -3f -3 -3 -14 = f Check: -3 × -14 = ???

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3)Use the formula d = rt to solve the following. A car traveled 300 miles. If its average speed was 65mi/hr how long did it take? d = rt 300 = 65 t 65 65 4 8 / 13 = t Or 4.6 t So, the car traveled about 4.6 hours

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Homework 4-3 Pg. 162-163 #4-13 All # 14-26, 32-36 even only #38, 39

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