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