GRE Math Formulas Guaranteed Success
slope intercept formula ️y = mx + b
m = slope
b = y-intercept
(a^x)(a^y)=? ️a^(x+y)
(a^x)/(a^y)=? ️a^(x-y)
two point slope formula ️(Δy)/(Δx)
PEMDAS ️Parentheses, exponents, multiplication and devision (L to R), addition and subtraction...
GRE Math Formulas Guaranteed Success
slope intercept formula ✔️y = mx + b
m = slope
b = y-intercept
(a^x)(a^y)=? ✔️a^(x+y)
(a^x)/(a^y)=? ✔️a^(x-y)
two point slope formula ✔️(Δy)/(Δx)
PEMDAS ✔️Parentheses, exponents, multiplication and devision (L to R), addition and subtraction (L to
R)
√1 ✔️1
√2 ✔️1.4
√3 ✔️1.7
√4 ✔️2
, negative × negative = ? ✔️positive
positive × negative = ? ✔️negative
Only even prime number ✔️2
x⁻ⁿ = ? ✔️1/xⁿ
A number is divisible by 3 if... ✔️The sum of its digits is divisible by 3
A number is divisible by 5 if... ✔️It ends in 0 or 5
A number is divisible by 2 if... ✔️Its ones place is divisible by 2
Area of a Δ ✔️½bh
Pythagorean Theorem ✔️(Only applies to right triangles)
c² = a² + b² where a and b are the sides and c is the hypotenuse
Area of a O ✔️πr²
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