4-4 transforming formulas

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4-4 transforming formulas Objective: use formulas to solve real-world problems and solve a literal equation for one of its variables. Miss battaglia – algebra 1 CP

Warm up Subtract the smallest number of set A from the largest number of set A. Set A = 1 2 , 2 5 , 4 7 , 5 6 , 3 10 , 3 8

sports Suppose a track coach wants to calculate the average speed of each track team member for an event. Transform the formula d = rt to find a formula for the average speed r in terms of distance of time.

sports In 1994, Sevetheda Fynes took first place at the New England Track and Field Championships. Shown at the right, she ran about 200 m in 23.10 s. Find her average speed.

science The formula gives the Celsius temperature, C, in terms of Fahrenheit temperature, F. Transform the formula to find the Fahrenheit temperature in terms of the Celsius temperature.

History In 1883, Jan Matzeliger invented the shoe-lasting machine to attach the upper part of a shoe to its sole. Before that, they were sewn by hand. Wages were calculated by . Transform the formula to find the price of a pair of shoes.

example Transform the formula to find a formula for time in terms of hourly wage and price.

A literal equation is an equation involving two or more variables. Solve ax + b = c for x in terms of a, b, and c.

homework Pg 177 #5–8 , 14-16