1. 5.2 Factoring Quadratics
_____________________ breaks apart something into smaller pieces.
If a = 1
Factor x2
– 12x – 28
1. Find all the _____________ of factors of the _____________________ term.
2. Pick the pair whose _______________ is the coefficient of the _____ term.
3. Write as factors (x __________)(x __________).
If a ≠ 1
Factor 3x2
– 17x + 10
1. List all the factors of ______________.
3(10) = _____
2. Find the pair that adds to get ___________.
3. Organize into box:
Ax2
first number
times x
second number
times x
C
4. _____________ each row and column.
5. These new expressions are the factors of the quadratic.
HW p. 260 (24 – 46 even)