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8th Grade Total Vocabulary
Terms in this set (69)
Order of operations: Parenthesis, exponents, multiplication/division (L-R), addition/subtraction (L-R).
The answer to an addition problem.
The answer to a multiplication problem.
The answer to a division problem.
The answer to a subtraction problem.
Rational and irrational numbers.
Decimals that go on forever with no repeated pattern (like pi).
Numbers that can be expressed as fractions, integers and decimals that repeat or terminate.
Positive and negative whole numbers and zero.
Positive counting numbers and zero.
Non-zero counting numbers.
One of two equal factors of a number (opposite of squaring a number).
A number whose square root is an integer (no decimals).
Includes numbers, variables and operations, but has NO equal sign.
A symbol or letter used to represent unknown numbers.
Each number, variable or product/quotient of numbers and variables.
Switch the numerator and the denominator.
Property that says to switch the order (adding and multiplying).
Property where parentheses move.
Terms that have the same variable (with the same exponent) and can be combined.
Multiply what is next to the ( ) by everything inside the ( ).
The number next to the variable.
(x, y) - This locates points on a coordinate plane.
First number in an ordered pair.
Second number in an ordered pair.
A set of ordered pairs.
Values that determine the output (x-variable).
Value that is dependent on the values of the independent variable (y-variable).
The point (0, 0) where the x and y axis intersect.
For each input (x) there can be only one output (y).
Vertical Line Test
Test to see if a graph is a function or not.
The distance a number is from zero on a number line.
The space inside a 2-dimensional figure.
The distance around a 2-dimensional figure.
The distance from the center of a circle to a point on the edge of the circle.
The distance across a circle, through the center.
The distance around the outside edge of a circle.
A number that does not change, the number in front of a variable.
The shorter sides of a right triangle that form the right angle.
The longest side in a right triangle - opposite the right angle.
Used to find a missing side length in a right triangle. a^2 + b^2 = c^2
Used to find the distance between two points.
An equation that forms a line when it is graphed.
An equation in the form Ax + By = C
The point where the line crosses the x-axis. (x, 0)
The point where the line crosses the y-axis. (0, y)
The change in the y-coordinate (rise) compared to the change in the x-coordinates (run). slope = m
Rate of Channge
Same as slope and "m".
Lines goes up from left to right.
Line goes down from left to right.
Not a straight line.
y = mx + b
y - y1 = m(x - x1)
Lines never cross. They have the same slope.
Lines that intersect at exactly 90 degrees. Perpendicular lines have opposite, reciprocal slopes.
A four-sided polygon.
A quadrilateral with ONLY one pair of parallel sides.
A quadrilateral that has 2 pairs of parallel sides (opposite sides are parallel).
A quadrilateral with 4 right angles.
A graph of plotted points that show the relationship between 2 sets of data.
Line of Best Fit
The line that describes the trend of the data in a scatter plot.
As x increases, y increases.
As x increases, y decreases.
Data has no pattern.
a x 10^n, used to write numbers that are very big or very small in a way that is easier to manipulate.
THIS SET IS OFTEN IN FOLDERS WITH...
Algbra 1: Chapter 2
8th grade statistics
8th Grade Unit 1 Real Number System
8th grade geometry unit
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