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3-4 using the distributive property
Objective: Use the distributive property and solve equations that involve the distributive property. Miss battaglia – algebra 1 cP
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Warm up Penny is 39 years old. She has lived in Texas for 16 years. How old will Penny be when she has lived in Texas for half her life?
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Work with a partner… A high school basketball court is 84 ft long by 50 ft wide. A college basketball court is 10 ft longer than a high school basketball court. Evaluate a. 50( ) b. 50(84) + 50(10) Explain how each of the expressions represents the area of a college basketball court.
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Distributive property
For all real numbers a, b, and c; a( b + c) = ab + ac (b + c)a = ba + ca a( b – c) = ab – ac (b – c)a = ba – ca
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simplify 2(5x + 3) (3b – 2) 1 3
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simplify -3(2x – 1) -(7 – 5b)
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shopping A poster is on sale for $3 off the regular price. Suppose you bought two posters and paid a total of $8. Solve the equation 2(x – 3) = 8 to find the regular price of each poster.
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SOLVE 3(x – 1) + x = 5
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electricity Several 6- and 12-volt batteries are wired so that the sum of their voltages produces a power supply of 84 volts. The total number of batteries is 10. How many of each type of battery are used?
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homework Pg # 19, 22 – 36 even, 37, 40
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