8th Grade Module 1 Vocabulary

Front

cube root

Back

A number multiplied by itself 3 times to create a cubed number.

Cubes can be positive or negative numbers

Front

exponent of 0

Back

A power with an exponent of 0 is x^0 = 1 for any nonzero x.

Front

hypotenuse

Back

The hypotenuse of a right triangle is the side opposite the right angle. It is also the longest side of a right triangle.

Front

irrational number

Back

A number that can be written as a fraction. It can be a decimal form that is does NOT terminate nor repeat.

Front

leg

Back

2 legs come together to form the right angle of a triangle.

Front

negative exponent

Back

Front

order of magnitude

Back

The order of magnitude n is the exponent on the power of 10 for a number written in scientific notation.

Front

perfect cube

Back

A perfect cube is the cube of any integer multiplied 3 times.

Front

perfect square

Back

A perfect square is the square of an integer multiplied twice.

Front

Pythagorean theorem

Back

Used with a right triangle to find the length of the hypotenuse.

a² + b² = c²