Vocab Term: part of an expression separated by addition sign(s) Ex: 2x +3 x 2 + 3x +5 ______ terms ______ terms Coefficient: ________________in a term. If no number is visible, the coefficient is _______ Constant: Term ________________a variable (x 0 )
y 3 - 5y 2 +2y - 6 How many terms? What are the coefficients? What are the constants?
Example1 a) -2(x - 3y + 4) b) c)
Example 2: factor a) -2y – 10 What is the GCF? b)20 - 5x What is the GCF? c) xy – 7y What is the GCF?
d) What is the GCF? Slide out the denominator and leave the numerators
Example 3 Combine Like Terms a)8a – 2b + 10a - 4b + 2a - 4b b)