Prime Numbers
what is a prime number
a number that can only be divided by one and itself
what is the method used to multiply binomials
The FOIL Method
72
23× 32
Find the GCF of 12 and 26
2
(n − 1)(2n − 2)
2n2 − 4n + 2
All of the following are prime numbers except
1,3,5,7,9,11
9
The letter I in the foil method stands for INNER
Inner
81
3 x 3 x 3 x 3
Find the GCF of 30 and 40
10
(k − 2)(k − 3)
k2 − 5k + 6
list the first 5 prime numbers in the number system
2,3,5,7,11
Binomials are separated by 2 pairs of _________
Brackets
50
2 x 5 x 5
what are the 2 methods for finding the GCF
Book ends
and GCF
(5x − 2)(5x − 8)
25x 2 − 50x + 16
6x20=
6x20=120
x x x =
x2
500
2 x 2 x 5 x 5 x 5
what does GCF stands for ?
Greatest Common Factor
(5x + 6)(8x − 4)
40x2 + 28x − 24
Which is the smallest odd prime number?
3
a negative times a negative will give me a
+
110
2x5x11
Find the GCF of 16 and 4
4
(a+b)(a+b)
a2 + 2ab + b