Algebraic Expressions
A letter that represents a number
What is a variable?
A set of ordered pairs where the first components of the ordered pairs are the input values and the second components are the output values.
What is a relation?
A = 1/2bh
What is the area of a triangle formula?
The average of all numbers in a set added together and divided by 2
What is mean?
5 x 6
What is 30?
When two expressions are set equal to each other
What is an equation?
A relation that assigns to each input number exactly one output number.
What is a function?
A = lw
What is the area of a rectangle formula?
The middle of a set of numbers arranged from lowest to highest
What is median?
7 x 8
What is 56?
A value, when you replace the variable with it, makes the equation true.
What is a solution?
The set of all x values to which the rules apply, also known as the independent variables.
What is the domain?
a2 + b2 = c2
What is the pythagorean theorem?
The number that is the highest value in a set of numbers/appears the most
9 x 10
What is 90?
A set of all solutions
What is a solution set?
The set of all y values, also known as the dependent variables.
What is range?
A = (Pi)r2
What is the area of a circle?
The difference between the highest and lowest values in a set of numbers.
What is range?
11 x 12
What is 132?
Integers that follow one another in order
What is consecutive?
If every vertical line you can draw goes through only 1 point, y is a function of x. If you can draw a vertical line that goes through 2 points, y is not a function of x.
What is the vertical line test?
A = s2
What is the area of a square?
The sum of numbers divided by however many numbers there are in a set.
What is average?
13 x 14
What is 182?