Pre-Algebra - Ch. 7 Test

Front

What is a right triangle?

Back

A right triangle is a triangle that has one angle measuring 90 degrees.

Front

How can you determine if a triangle is a right triangle using side lengths?

Back

You can use the Pythagorean theorem: if the square of the length of the longest side (hypotenuse) equals the sum of the squares of the other two sides, then it is a right triangle.

Front

What is the Pythagorean theorem?

Back

Front

Back

Front

What is an irrational number?

Back

An irrational number is a number that cannot be expressed as a simple fraction; its decimal representation goes on forever without repeating.

Front

What is the formula to find the length of the hypotenuse in a right triangle?

Back

Front

Back

The result of the expression is 6.

Front

What is the cube root of 64?

Back

Front

What is a natural number?

Back

Natural numbers are the set of positive integers starting from 1 (1, 2, 3, ...).

Front

What is a whole number?

Back

Whole numbers are the set of non-negative integers (0, 1, 2, 3, ...).