Geometry Formulas
How do you find the perimeter of any shape?
Add up all the sides
What is the formula for exponential growth when given a percent
y = (1+r)x
Formula to find slope given 2 points
(y2 - y1)/(x2 - x1)
Slope Intercept Form
y=mx+b
We read domain ___________ to __________
left to right
Area of a Rectangle
A=(length)(width)
What is the formula for exponential decay when given a percent
y = (1-r)x
Perpendicular Lines have ___________ ____________ slopes
Opposite Reciprocal
Parallel lines have the same _________ and different __________
same slopes and different y-intercepts
We read range _________ to ________
bottom to top
Area of a Triangle
A=(1/2)(base)(height)
According to the power to power exponent law, when you bring a power to another power you __________ the powers
multiply
y - y1 = m(x - x1)
What is the midpoint formula
( (x1+x2)/2 , (y1+y2)/2 )
What does HOY stand for?
Horizontal Line
slope of 0
looks like x=#
a2 + b2 = c2
According to the product exponent law, when you multiply like bases you __________ the exponents
add
What do we type into desmos to find a linear regression line of best fit when given a table of data?
y1 ~ mx1 + b
What is the Distance Formula
d= square root of (x2 - x1)2 + (y2 - y1)2
What does VUX stand for?
Vertical Line
Undefined Slope
looks like y=#
Area of a Circle
A=(pi)r2
In the geometric pattern explicit formula
an=a0(r)x
What does a0 represent?
The y-intercept
What is the pattern we would create for 3 consecutive integers?
x, x+1, and x+2
What is the pattern we would create for 3 ODD consecutive integers?
x, x+2, and x+4
In the standard form of a Quadratic Function
ax2 + bx + c
What does the C represent?
The y-intercept