quadratic formulas

when do u use factoring

when a=1 and it is factorable

when do you use square roots

when there is no bx term, ALL perfect squared for the A value

completing the square

“bx” has to be even

quadratic formula

catch all→ always works

when is the discriminent a perfect square

b²-4ac

mean

average

median

the middle number, if two then find the middle

mode

the nunber that appeare the most often

range

difference between highest and lowest number

polynomials

constant, linear, quadratic, cubic, quartic,5th degree

terms

monomial, binomial, trinomial, polynomial

an expression under a radical sign is in simplest radical form when

there is no intereget under the radical sirn with a perfect sqaure factor, no fractions under the radical sign, there are no radicals in the denominator