ALG 1 - Summative #4: Radicals and Polynomials

Front

What is a radical in mathematics?

Back

A radical is an expression that includes a root, such as a square root or cube root. For example, @@ ext{ } oot{2}{x}@@ is a radical.

Front

What is a polynomial?

Back

Front

What is the standard form of a polynomial?

Back

Front

What is the sum of two rational numbers?

Back

The sum of two rational numbers is always a rational number.

Front

What is the product of two rational numbers?

Back

The product of two rational numbers is always a rational number.

Front

What happens when you add a rational number to an irrational number?

Back

The sum of a rational number and an irrational number is always an irrational number.

Front

Can the sum of two irrational numbers be rational?

Back

Yes, the sum of two irrational numbers can be rational. For example, @@ ext{ } oot{2}{2} + ext{ } oot{2}{2} = 2@@.

Front

What is the cube root of 27?

Back

Front

What is the value of @@4 ext{ } oot{3}{8} + 6 ext{ } oot{3}{27}@@?

Back

The value is 26.

Front

What is an irrational number?

Back