TSIA2 Math 22 Questions And Answers
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Terms in this set
22
slope of a line
m=y2-y1/x2-x1 or rise over run
probability of event
favorable outcomes/total outcomes
distance formula
d = √[( x₂ - x₁)² + (y₂ - y₁)²]
when to use quadratic formula
if it won't factorise (easily)
if the question mentions decimal places or significant figures
if the question mentions decimal places or significant figures
quadratic forumula
-b +/- sq. root of (b^2 -4a) / 2a
quadratic formula
x = -b ± √(b² - 4ac)/2a
point slope form
y-y1=m(x-x1)
quadratic formula: a, b, and c?
a: has exponent
b: followed by (x)
c: no exponent or x
b: followed by (x)
c: no exponent or x
difference in squares formula
a^2-b^2=(a-b)(a+b)
then factor into (a+b) (a-b)
then factor into (a+b) (a-b)
when to use difference in squares
when there's 2 perfect squares being SUBTRACTED
Binomials only
subtraction only
Binomials only
subtraction only