19 SAT Math Formulas you need to know
5.0(1)
Studied by 58 people
View linked note
Learn
Practice Test
Spaced Repetition
Match
FlashcardsCard Sorting
1/19
There's no tags or description
Looks like no tags are added yet.
Study Analytics
Name | Mastery | Learn | Test | Matching | Spaced |
|---|
No study sessions yet.
20 Terms
1
New cards
Complex Conjugate
(a+bi) (a- bi)= a²+b².
2
New cards
Slope-Intercept Formula
y=mx+b
3
New cards
Vertex Form of a Parabola/Quadratic
y=a(x-h)² +k
4
New cards
Distance Formula
d = √((x₂-x₁)² + (y₂-y₁)²)
5
New cards
Quadratic Formula
x = (-b±√(b² -4ac))/2a
6
New cards
Exponent Rule(Multiplication)
a^n * a^m = a^(n+m)
7
New cards
Exponent Rule(Division)
a^m/a^n = a^(m-n)
8
New cards
Exponent Rule(Power raised to a Power)
(a^n)^m = a^(n*m)
9
New cards
Difference of Squares
(x-y)(x+y) = x²-y²
10
New cards
Complex Conjugate
(a+bi)(a-bi)=a²+b²
11
New cards
Exponential Growth and Decay
y=a(1±r)^x
12
New cards
Simple interest
A=Prt
13
New cards
Compound interest
A=P(1+(r/n))^nt
14
New cards
Area of a Equilateral Triangle(knowing a side)
A=(√(3) ∙ s²)/4
15
New cards
Equation of a Circle
(x-h)² + (y-k)² = r
16
New cards
Degrees to Radians
degrees * (π/180)
17
New cards
Pythagorean Theorem
a^2 + b^2 = c^2
18
New cards
Regular Polygon Interior Angle
180(n-2)/n
19
New cards
Length of Arc in a Circle
(central angle/360)2πr
20
New cards
Area of Sector in a Circle
(central angle/360)πr²
Flashcards (40)