Name That Equation
a2 + b2 = c2
Pythagorean Theorem
Area of a square
A = lw
What is the sum of the interior angles of a triangle?
180 degrees
Solve for x:
2x + 3 = 9
x = 3
c = 2π r
Circumference of a circle
Area of a triangle
A = bh/2
In a right triangle, what is the name of the side opposite the right angle?
The hypotenuse
Factor the expression x2 - 4 = 0
(x+2)(x-2) = 0
What is the smallest prime number?
x = (-b± √ (b2 - 4ac))/2a
Quadratic formula
Area of a circle
A = πr2
Define complimentary angles
The sum of the angle measures is 90 degrees
Expand the expression (2x + 3)(x - 1)
2x2 + x - 3
Find the prime factorization of 52
13 x 2 x 2
A = P(1 + r/n)nt
Compound Interest Formula
Volume of a cylinder
πr2h
What is the sum of all angle measures in a regular hexagon?
720 degrees
Solve the system of equations:
2x + 3y = 7
4x - y = 6
x = 25/14
y = 8/7
Is 2023 divisible by 3?
No
Sn = (a(rn - 1))/(r-1)
Sum of a finite geometric series
Volume of a square base pyramid
l2h/3
If a right triangle has a non-hypotenuse side length of 8cm and a hypotenuse side length of 19cm, what is the side length of the final side?
√297 or roughly 17.2
22x + 1(2x) = 16
x = 1
Are 39 and 130 coprime?
Coprime -- two integers are coprime if they share a factor other than 1
No, they are not coprime -- they share the factor 13