Algebra Flashcards
1
Q
How would you factorise this:
x2 + 5x + 6
A
- find factors of 6 that add to 5
- 3 & 2
- (x+3) (x+2)
2
Q
What is an example perfect square?
A
(x+1)2
3
Q
What is an example of a binomial?
A
(x+3) (x+4)
4
Q
What is an example of difference of two squares?
A
(x+4) (x-4)
5
Q
What is an example of a miscellaneous?
A
(x+2)2 - (x+4)2
6
Q
What are the steps taken to figure out a factorising by grouping problem?
A
- move equation around
- find HCF
- two equations should be the same
- put number in front of brackets together
7
Q
What is a rule when figuring out if an equation is a perfect square?
A
Last term is always positive
