SAT Math N
quadratic formula - CORRECT ANSWER-[-b ± √(b² - 4ac)] / (2a)
N N N NN N N N N N N
slope formula - CORRECT ANSWER-(y₂- y₁) / (x₂- x₁)
N N N NN N N N N
integers - CORRECT ANSWER-..., -3, -2, -1, 0, 1, 2, 3, ...
N N NN N N N N N N N N
rationals - CORRECT ANSWER-fractions (anything expessable as a ratio of integers)
N N NN N N N N N N N
reals - CORRECT ANSWER-integers, rationals, plus special #s (like √2 or pi)
N N NN N N N N N N N N
order of opperations - CORRECT ANSWER-PEMDAS (Parentheses / Exponents / Multiply / Divide
N N N N NN N N N N N N N
/ Add / Subtract)
N N N N
Arithmetic Sequences - CORRECT ANSWER-t₁, t₁+ d, t₁+2d, ...
N N N NN N N N N
Geometric Sequences - CORRECT ANSWER-t₁, t₁· r, t₁· r², ...
N N N NN N N N N N
Factors - CORRECT ANSWER-ex. factors of 52 are 2, 4, 13, and 26
N N NN N N N N N N N N N
Multiples - CORRECT ANSWER-ex. multiples of 20 are 40, 60, 80, 100, ...
N N NN N N N N N N N N N
, percentages - CORRECT ANSWER-part = (percent / 100) x whole
N N NN N N N N N N
average - CORRECT ANSWER-average = sum of terms / number of terms
N N NN N N N N N N N N
average speed - CORRECT ANSWER-average speed = total distance / total time
N N N NN N N N N N N N
sum - CORRECT ANSWER-sum = average x (number of terms)
N N NN N N N N N N
mode - CORRECT ANSWER-mode = value in the list that appears most often
N N NN N N N N N N N N N
median - CORRECT ANSWER-median = middle value in the list
N N NN N N N N N N
fundamental counting principle - CORRECT ANSWER-if an event can happen in N ways, and
N N N N NN N N N N N N N N
Nanother, independent event can happen in M ways, then both events together can happen in N
N N N N N N N N N N N N N N N
Nx M ways.
N N
probability - CORRECT ANSWER-probability = number of desired outcomes / number of total
N N NN N N N N N N N N N
outcomes
N
adding exponents - CORRECT ANSWER-x^a · x^b = x^(a+b)
N N N NN N N N N
subtracting exponents - CORRECT ANSWER-x^a / x^b = x^(a-b)
N N N NN N N N N
negative exponents - CORRECT ANSWER-1 / x^b = x^(-b)
N N N NN N N N N
multiplying exponents - CORRECT ANSWER-(x^a)^b = x^(a·b)
N N N NN N N
quadratic formula - CORRECT ANSWER-[-b ± √(b² - 4ac)] / (2a)
N N N NN N N N N N N
slope formula - CORRECT ANSWER-(y₂- y₁) / (x₂- x₁)
N N N NN N N N N
integers - CORRECT ANSWER-..., -3, -2, -1, 0, 1, 2, 3, ...
N N NN N N N N N N N N
rationals - CORRECT ANSWER-fractions (anything expessable as a ratio of integers)
N N NN N N N N N N N
reals - CORRECT ANSWER-integers, rationals, plus special #s (like √2 or pi)
N N NN N N N N N N N N
order of opperations - CORRECT ANSWER-PEMDAS (Parentheses / Exponents / Multiply / Divide
N N N N NN N N N N N N N
/ Add / Subtract)
N N N N
Arithmetic Sequences - CORRECT ANSWER-t₁, t₁+ d, t₁+2d, ...
N N N NN N N N N
Geometric Sequences - CORRECT ANSWER-t₁, t₁· r, t₁· r², ...
N N N NN N N N N N
Factors - CORRECT ANSWER-ex. factors of 52 are 2, 4, 13, and 26
N N NN N N N N N N N N N
Multiples - CORRECT ANSWER-ex. multiples of 20 are 40, 60, 80, 100, ...
N N NN N N N N N N N N N
, percentages - CORRECT ANSWER-part = (percent / 100) x whole
N N NN N N N N N N
average - CORRECT ANSWER-average = sum of terms / number of terms
N N NN N N N N N N N N
average speed - CORRECT ANSWER-average speed = total distance / total time
N N N NN N N N N N N N
sum - CORRECT ANSWER-sum = average x (number of terms)
N N NN N N N N N N
mode - CORRECT ANSWER-mode = value in the list that appears most often
N N NN N N N N N N N N N
median - CORRECT ANSWER-median = middle value in the list
N N NN N N N N N N
fundamental counting principle - CORRECT ANSWER-if an event can happen in N ways, and
N N N N NN N N N N N N N N
Nanother, independent event can happen in M ways, then both events together can happen in N
N N N N N N N N N N N N N N N
Nx M ways.
N N
probability - CORRECT ANSWER-probability = number of desired outcomes / number of total
N N NN N N N N N N N N N
outcomes
N
adding exponents - CORRECT ANSWER-x^a · x^b = x^(a+b)
N N N NN N N N N
subtracting exponents - CORRECT ANSWER-x^a / x^b = x^(a-b)
N N N NN N N N N
negative exponents - CORRECT ANSWER-1 / x^b = x^(-b)
N N N NN N N N N
multiplying exponents - CORRECT ANSWER-(x^a)^b = x^(a·b)
N N N NN N N
