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Activity: FOIL!
FIRST
2. x²
3. b²
4. 3p²
5. 5y²
OUTER
2. 2x
3. - 9b
4. 18p
5. 10y
INNER
2. 8x
3. - 11b
4. - p
5. - 3y
LAST
2. 16
3. 99
4. - 6
5. - 6
TRINOMIALS
2.) x²+10x+16
3.) b²-20b+99
4.) 3p²+17p-6
5.) 5y²+7y-6
Guide Questions:
1. It has always a numerical coefficient of1.
2. The last terms of the trinomial is the product of the last terms of a binomial.
3. The middle terms of the trinomial is the difference or sum of the product of the inner and outer of the binomial.
4. Factor it out.
It's your own understanding of the lesson. You should know better.
