Equations
Solve for x:
x + 13 = 4
x = -9
Terms with exactly the same variable factors
Like terms
The possible values for the inputs of a relation
Domain
An equation that states a relationship among quantities
Formula
In the following linear equation, what is the slope?
y = 3x + 7
3
Solve for x:
-x / 7 = 12
x = -84
An equation that states two ratios are equal
Proportion
Slope
A relation that assigns exactly one value in the range to each value of the domain
Function
In the following equation, what is the y-intercept?
y = 5x - 3
-3
Solve for x:
-5x - 2 = -17
x = 3
A symbol that represents one or more numbers
Variable
A monomial or the sum/difference of two or more monomials
Polynomial
A variable that provides the input values of a function
Independent variable
In the following equation, what is the slope?
y = 3 - 2x
-2
-8(2x - 1) = 38 - x
x = -2
The possible values for the outputs of a relation
Range
A mathematical phrase that includes one or more variables
Whole numbers and their opposites
Integers
If a line has a slope of 2 and a y-intercept at (0, 3), what is the slope-intercept equation of the line?
y = 2x + 3
Solve for x:
-17 + 3x = 4x - 4 - 2x
x = 13
Substituting a given number for each variable and then simplifying
Evaluate
Coefficient
How likely it is an event will occur
Probability
If a line has a slope of -3 and a y-intercept at (0, -1), what is the slope-intercept equation of the line?
y = -3x - 1
OR
y = -3x + -1