2-7 Distributive Property

Assignment2-7/91-92/ 2-68 eoe (every other even)

VocabTerm: part of an expression separated by addition sign(s)

Ex: 2x +3 x2 + 3x +5 ______ terms ______ terms

Coefficient: ________________in a term. If no number is visible, the coefficient is _______

Constant: Term ________________a variable (x0)

y3 - 5y2 +2y - 6

• How many terms?

• What are the coefficients?

• What are the constants?

Example1a) -2(x - 3y + 4)

b)

c)

)396(3

1 yx

)13

1

2

1(5

2 yx

Example 2: factora) -2y – 10 What is the GCF?

b) 20 - 5x What is the GCF?

c) xy – 7y What is the GCF?

d)

5

1

5

1

5

2 yx

What is the GCF?

Slide out the denominator and leave the numerators

Example 3Combine Like Terms

a) 8a – 2b + 10a - 4b + 2a - 4b

b) yxyx4

3

4

1

4

3

4

1

Clickers: pg 91-92

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