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1.
Binomial:

a polynomial expression with exactly two terms

a polynomial expression with exactly two terms

2.
Box-n-whisker Plots:

A way to display data in quartiles.

A way to display data in quartiles.

3.
Coefficient:

The number in front of a letter.

The number in front of a letter.

4.
Combinations: number of ways to combine items in which order does NOT matter

5.
Diagonal: (geometry) a straight line connecting any two vertices of a polygon that are not adjacent

6.
Distance Formula: AB=√(x2 - x1)2 + ( y2 - y1)2

7.
Domain: the set of all input values

8.
Exponent: The number that indicates how many times the base is used as a factor. (3 to the 4th power would be 3x3x3x3)

9.
Identity Property: adding or multiplying by these numbers does not change the answer

10.
Integer: A positive or negative whole number and zero (-3,-2,-1,0,1,2,3)

11.
Interior Angles: angles on the inside of parallel lines cut by a transversal.

12.
Interquartile range: The range of values between the first and the third quartile.

13.
Inverse property:

used when you solve equations - the operation which cancels out an operation - the opposite operation: addition and subtraction are opposites; multiplication and division are opposites

used when you solve equations - the operation which cancels out an operation - the opposite operation: addition and subtraction are opposites; multiplication and division are opposites

14.
Irrational Number: A never ending, non repeating decimal and can not be written as a fraction. (ex. 3.1415...)

15.
m<A= 60: The measure of angle A equals sixty degrees.

16.
Midpoint Formula: (x₁+x₂/2, y₁+y₂/2)

17.
Negative Correlation:

You have Negative Correlation when the slope of a line is up and to the left.

You have Negative Correlation when the slope of a line is up and to the left.

18.
Odds: The ratio of the number of ways the event can occur to the number of ways the event cannot occur.

19.
Order of Operations: the order in which operations in an expression to be evaluated are carried out. 1. parentheses 2. exponets 3. multiplication and divison 4. addition and subtraction.

20.
Outlier: Any data point that sticks out. NOT all data sets have one.

21.
Perfect Square: the product when a whole number is multiplied by itself (3 squared, 3x3)

22.
Positive Correlation:

When the slope of a line is going up and to the right, you have POSITIVE Correlation.

When the slope of a line is going up and to the right, you have POSITIVE Correlation.

23.
Precision: exact or accurate

24.
Probability: a number that describes how likely it is that an event will occur.

25.
Proportion: an equation that states that two ratios are equal

26.
Pythagorean Thereom: a^2+b^2=c^2

27.
Quartile: divide a data set into four equal parts

28.
Range: the set of output values

29.
Rate: A ratio that compares two quantities measured in different units

30.
Slope-intercept Form:

y=mx+b ; where m is the slope and b is the y-intercept of the line.

y=mx+b ; where m is the slope and b is the y-intercept of the line.

31.
Square Root:

A number that when multiplied by itself results in the original number

A number that when multiplied by itself results in the original number

32.
Substitution: Putting a number in for a variable to help you solve an equation.

33.
Tolerance: the measure above and below the set measure.

## CMS 8th Grade Math VocabularyStudy online at quizlet.com/_1epng |

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