Quadratics
Where the parabola crosses the x-axis
X-intercept
What is a median?
The middle #
First step of distance
1. From 2 points, draw a vertical and horizontal line.
First step
Solve one equation for x or y
What is a Polynomial?
An expression with many parts
Where the parabola crosses the y-axis
Y-intercept
What is the mode?
The most occuring #
Second step of distance
2. Find leg lengths y & x
Second step
Plug into the other equation (use parenthesis)
What is an Exponent?
The small # above x that helps to identify the polynomial
What is the top or bottom of the parabola called?
Vertex
How do you get the range?
By subtracting the minimum from the maximum.
Third step of distance
3. Use a^2+b^2=c^2
Third step
Solve for variable
What are Terms?
The part of an expression separated by a plus or minus.
What cuts the parabola in half?
Axis of symmetry
How do you get the mean?
By adding all the #'s and dividing by the amount of numbers there are.
Distance formula
d=(square root symbol) (x2-x1)^2+(y2-y1)^2
Fourth step
Plug into one of the original equations
What is a Leading Term?
The first part in standard form
What is the quadratic function?
ax^2 + bx + c = 0
How do you get the 5 # summary in Desmos?
By putting "(Letter of choice) = [#'s w/ commas]" and in the next line typing "stats(Letter chosen)"
Ex: a=[12,30,50,45,23]
stats(a)
What is Midpoint?
A point that is halfway or in the middle of two points.
What is Substitution?
A method where one equation is plugged into the other equation.
What is a Leading coefficient?
The number in front of the highest exponent variable.