14 terms

Vocabulary Terms for Algebra 1, Unit 2: The Powers that Be.

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.