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Dividing Numbers Crossing the GREAT divide. What is a reciprocal? When reciprocals (also called multiplicative inverses) are multiplied, the product is.

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Presentation on theme: "Dividing Numbers Crossing the GREAT divide. What is a reciprocal? When reciprocals (also called multiplicative inverses) are multiplied, the product is."— Presentation transcript:

1 Dividing Numbers Crossing the GREAT divide

2 What is a reciprocal? When reciprocals (also called multiplicative inverses) are multiplied, the product is +1! Mixed numbers and integers must be put into improper fraction form to find the reciprocal! Find the reciprocal of these numbers!

3 How do I do complex fractions? SUPER fractions are the LAZY way of writing the quotient of two fractions! Just remember the fraction bar in the middle means DIVIDE not OVER!!!!

4 Now you try

5 Finding Domain of Fractions When finding the domain before, you found what the input COULD be. With fractions you find what the input can NEVER be! The denominator of a fractions can NEVER be what number? This means any input that makes the denominator a 0 can NEVER BE USED!!!!

6 Your Turn Again!

7 The dreaded Distributive property When a variable expression is in the numerator, remember the denominator MUST be distributed to all terms!!!!! You can ONLY simplify IF the coefficient AND constant are divisible by the denominator

8 REAL LIFE and the CRCT A hot air balloon develops a leak and starts to fall to the earth. If the balloon covered a distance of 500 feet in 40 seconds, what was the VELOCITY?

9 Friday’s Test Problem Part 2 It takes 50 minutes to get where you are going, You can spend t minutes riding the subway at an average speed of 0.5 miles per minute. The rest of the time you spend walking at a rate of 0.05 miles per minute. What distance did you travel?

10 Individual Practice PWB Section 2.8 Homework tonight is Quiz 3 page 118 Still lost? Do the odd problems from section 2.8 in the text! Check with me tomorrow for problems missed! ALSO have you gone to tutoring this week?


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