Bell Ringer 7.5
Use the distributive property to simplify the following problems:
a. ­2(2x ­ 3y + 8)
b. (3x ­ 4y + 6z ­ 2)4
Homework: due Wednesday: 1.4:
Pg. 29 ­ 31 (12 ­ 76, every 4th)
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Today's objectives:
Use the distributive property to evaluate expressions.
Use the distributive property to simplify expressions.
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Vocabulary terms:
like terms ­ terms that contain the same variable and corresponding variables have the same power.
simplest form ­ equation is in simplest form when you can no longer combine like terms and there are no parenthesis.
coefficient ­ the number next to the variables.
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Distributive Property:
1. (6x2 + v ­ 3)4
2. ­4(­8 ­ 3m)
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Simplifying:
1. 6x2 + 3x ­ x
2. 7a + 4 ­ 2a2 + 6a2 ­ 3a
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Simplify each expression:
1. 3(2x ­ 4y) ­ (3x + 2y + 3) + 4(x ­ 2y)
2. (5x ­ 2y)2 + 3(4 ­ 2x) ­2(2x ­ 3y)
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