math factoring Flashcards
how to expand polynomials
-Use FOIL
f= first
o= outside
i=inside
l= last
-Then collect like terms
how to factor by grouping
-separate into 2
-find GCF
-devide everything by gcf
-simplify
how to factor simple trinomials
form: ax2+bx=C
where a = 1
To factor a simple trinomial find numbers “r” “s” that add to b and multiply to c
-then create 2 sets of brakets with the numbers found
how to factor complex trinomals
-find 2 numbers that add to b and multiply to a times c
using thoese 2 numbers found break up b and factor by grouping
how to fact a perfect square trinomal
-square root first and last term
-create one set of brackets rasied to the power of 2
-have the sign in the middle of the middle number
how to factor difference of squares
-to reconize dfference of squares must have 2 terms seperated by a minus sign
-square root both numbers
-craete 2 sets of brackets with a and b spartead by opposite signs
area of a circle
Pie r squared
area of a sqaure
side squared
area of a rectangle
length x width
area of a trinagle
base times hight divided by 2
volume of a rectangular prism
length x width x hight