Factoring and quadratics Flashcards
1
Q
What does factoring mean
A
To write an expression in its factored form using GCF
2
Q
Greatest common factor
A
Largest number or term that can be divided into each term of the original expression (ex. 9a^2 - 12 —-> GCF = 3)
3
Q
Similar triangles
A
If triangles have all equal angles then the side is related by a ratio
4
Q
Quadratic expressions
A
Collecting like terms, expanding, factoring
5
Q
Quadratic equations
A
Solving for x (equation: expression = expression)
6
Q
Null factor law
A
If multiplying two products that equal zero, one or both of them must be zero
7
Q
Quadratic equation
A
-b ± √ (b² - 4ac) / (2a)