Exponents, Unit 2 Vocabulary Terms

Vocabulary Terms for Algebra 1, Unit 2: The Powers that Be.
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Exponential Form
A way to write a number or expression in a more compact structure using exponents.
Squaring a Number
When you multiply a number by itself.
Principle Square Root
The positive square root of a number.
Base Number
A number that is to be raised to a power.
Scientific Notation
Multiplying a number times 10 raised to a power.
Pythagorean Theorem
The sum of the squares of the legs of a right triangle is equal to the square of the hypotenuse.
Perfect Square
A number that is the product of two indentical factors.
Hypotenuse
The longest side of a right triangle.
Exponent
A number used to indicate how many times to multiply the base by itself.
Power
The product obtained by multiplying a number by itself one or more times.
Pythagorean Triple
When "a" squared + "b" squared EXACTLY equals "c" squared.
Rational Number
Any number that can be be written as a ratio where the denominator is not zero.
Irrational Number
A number whose decimal value never terminates or repeats.
Real Numbers
The set of numbers that includeole: whole numbers, integers, rational numbers and irrational numbers.