The side opposite the right angle in a right triangle.
Hypotenuse
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5
A decimal number that neither repeats nor terminates. A number that can not be expressed as an integer divided by an integer.
Irrational Number
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seesaw
Swap points!
Oops!
rocket
Go to first place!
Okay!
fairy
Take points!
5
10
15
20
25
thief
Give points!
5
10
15
20
25
5
An angle whose measure is greater than 0 and less than 90 degrees.
Acute Angle
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10
For real variables x and y, y varies inversely with x if yx = K and K is a non-zero constant.
Inverse Variation
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seesaw
Swap points!
Oops!
star
Double points!
Okay!
rocket
Go to first place!
Okay!
banana
Go to last place!
Oops!
5
A transformation that moves a figure along a line in a plane but does not alter its size or shape.
Translation
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5
The point with coordinate 0 on a number line; the point with coordinates (0, 0) in the coordinate plane.
Origin
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5
A numberâs distance from zero.
Absolute Value
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10
numbers written in the form a à 10^n where 1 âĪ a âĪ 10 and n is an integer.
Scientific Notation
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10
For real variables x and y, y varies directly with x if y = Kx for a constant K, K â 0. K is called the constant of proportionality.
Direct Variation
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5
The set of input values in a function.
Domain
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baam
Lose 10 points!
Oops!
fairy
Take points!
5
10
15
20
25
rocket
Go to first place!
Okay!
lifesaver
Give 25 points!
Oops!
5
A pair of numbers that represent the coordinates of a point in the coordinate plane with the first number measured along the horizontal scale and the second along the vertical scale.
Ordered pair
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5
An angle whose measure is greater than 90 and less than 180 degrees.