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A review for the 7th grade math student!

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rational numbers

numbers that can be written as a fraction

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irrational numbers

numbers that can not be written as a fraction, never terminates or repeats

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scientific notation

a small way of writing numbers whose abosolute value is very large or very small

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square root

one of a number's two equal factors

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radical sign

the symbol used to indicate a square root

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Pythagorean Theorem

the formula between the lengths of the legs and the hypotenuse for any right triangle

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ratio

comparison of two numbers or quantities by division

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rate of change

a rate describing how one quantity changes in relation to another

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percent of change

the percent that an amount changes from its original amount

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vertical angles

opposite angles formed by intersecting lines

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complementary angles

where the sum of the measures equals 90 degrees.

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supplementary angles

where the sum of the measures equals 180 degrees.

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reflection

the mirror image produced by flipping a figure over a line

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translation

the movement of a figure from one position to another without turning it

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radius

the segment from the center to any point on the circle

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diameter

a chord that passes through the center

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circumference

the distance around a circle

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complex figure

made up of two or more shapes

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function

a relationship that assigns exactly one output value for each input value

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slope

the ratio of the rise,or vertical change, to the run,or horizontal change

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direct variation

what the relationship is called when the ratio of two variable quantities is constant

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slope-intercept form

the nonporportional linear function formula of y=mx+b

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y-intercept

the y-coordinate of the point where the line crosses the y-axis.

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scatter plot

a graph that shows the relationship,if any, between two sets of data

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nonlinear functions

functions that do not have constant rates of change

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monomial

a number, a variable, or a product of a number and one or more variables

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lateral face

any flat surface of a solid that is not a base

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lateral surface area

the sum of the areas of a solids lateral faces

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total surface area

the sum of the areas of all of a solids surfaces

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quartiles

values that divide a set of data into four equal parts

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lower quartile

the median of the lower half of a set of data

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upper quartile

the median of the upper half of a set of data

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interquartile range

the difference between the upper quartile and the lower quartile

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outlier

data that are more than 1.5 times the value of the interquartile range beyond either quartile

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inequality

an open sentence that uses the symbol <,≤,>,or ≥ to compare two quantities