variables
x, y, or any letter that can represent a number that we don't know
coefficient
a number that is in front of a variableA number multiplied by a variable.
Function
A relation for which each output has only one input. Can be tested on the coordinate plane with the vertical line test
linear
Equations that does not have any variables with an exponent. They form a lie when graphed.
y-intercept
A place where a function crosses the y-axis and is represented by b in the formula y=mx+b.
absolute value
The distance a number is from zero on a number line
range
All possible y values of a function
domain
All possible x values of a function
scientific notation
A decimal number (between 1 & 9.9) multiplied by 10 raised to any power.
zero exponent
Equal to 1
expression
a mathematical sentence with no equal sign
terms
individual parts of an expression (separated by a plus or a minus)
integers
whole numbers and their opposites
coordinate plane
A two-dimensional number line where the vertical line is called the y-axis and the horizontal is called the x-axis. These lines are perpendicular and intersect at their zero points called the origin.
order of operations
Parentheses, Exponents/Radicals, Multiplication, Division, Addition, Subtraction
rational number
numbers that are able to written as a fraction (pretty decimals)
real number
all rational and irrational numbers
x-intercept
A place where a function crosses the x-axis represented by x in the formula y=mx+b.
standard form
ax + by = c
slope
steepness of a line, rise over run, rate of change
function notation
examples: f(x)=3x, g(x)=5x+2 , h(x)=10
slope intercept form
y = mx + b
linear equation
forms a line when graphed