Feb.4/5

In pre-cal today we started unit 1 (Radicals and Rational Exponents)
Lesson 1- Math 10F Review

Mental Math
Multiply Polynomials
Ex.1 Expanding
a) 3(a+4) Ex.2
3a+4 a) (x+4)(x+3)-Used FOIL Method
x^2+3x +4x +12
b) x(x+3) x^2 + 7x +12
x^2 -3x

c)-5(y-2)
-5y + 10

Those were some examples of what we did the first day of pre-cal 20s.