Math - Formulas Flashcards
Algebra
Arithmetic Sequence
aₙ = a₁ + (n-1) d
Algebra
Arithmetic Series
Sₙ = (a₁+aₙ / 2) n
Algebra: Set
A is included
A
Algebra: Set
A is excluded
A’
Algebra: Set
A and B Intersection
A ∩ B
Algebra: Set
A and B Union
A U B
Algebra: Set
A and B Intersection Complement
(A ∩ B)’
Algebra: Set
A and B Union Complement
(A U B)’
Algebra: Set
B is excluded in AB
A - B
Algebra: Set
A is excluded in AB
B - A
Algebra: Linear Equation
Slope-Intercept Form
y = mx + b
Algebra: Linear Equation
Standard Form
aₓ + bᵧ = c
Algebra: Quadratic Equation
Quadratic Formula
ax² + bx + c = 0
Algebra: Linear Equation
Graphing : Y-Intercept
Let x = 0
Algebra: Linear Equation
Graphing X-Intercept
Let y = 0
Geometry: Shape
Area of Circle
πr²
Geometry: Shape
Perimeter of Circle
2πr
Geometry: Shape
Area of Triangle
½ (b × h)
Geometry: Shape
Perimeter of Triangle
a + b + c
Geometry: Shape
Area of Square
a²
Geometry: Shape
Perimeter of Square
4a
Geometry: Shape
Area of Rectangle
lw
Geometry: Shape
Perimeter of Rectangle
2 (l + w)
