Real Number System
a number that can NOT be written as a ratio
What is an irrational number?
2 expressions that are the same value
What is an equation? or EQUIVALENT
the steepness of a line; rate of change
What is slope?
the average of a data set
What is the mean?
same shape, same size
What is congruent?
a number that can be written as a ratio
What is a rational number?
2 expressions that are NOT the same value
What is an inequality?
the coordinate where a line crosses the y-axis
What is y-intercept?
of or pertaining to a line
What is linear?
when a figure moves along a straight line
What is a translation?
a positive or negative whole number
What is an integer?
a letter that represents an unknown number
What is a variable?
where the x-axis and y-axis intersect; (0,0)
What is the origin?
shows the general direction of data points on a graph
What is trend line?
a number used to count with or by
What is a natural number?
a number without a variable that does not change in an expression
What is a constant?
a rate with a one in the denominator
What is unit rate?
The middle of the lower half of a data set is called the ________________
Lower quartile or 1st quartile
turns a figure around a fixed point
What is a rotation?
a number that can be represented on the number line
What is a real number?
a number multiplied by a variable
What is a coefficient?
When a line is written y=mx+b it is in ________form
slope intercept
What you expect to happen when you flip a coin or roll a dice is called___________________________
Theoretical Probability
what a shape is enlarged or reduced by a scale factor
What is a dilation?