Calculator Review

Front

What is a rational number?

Back

A rational number is a number that can be written as a fraction.

Front

Simplify: 3√8 + 3√2

Back

9√2

Front

Which expression is equivalent to 5r^2 - 7r + 1 - (8r^2 - 4r - 1)?

Back

-3r^2 - 3r + 2

Front

Which expression is equivalent to (x^3y)^4 · x^6y^8?

Back

x^{18}y^{12}

Front

Simplify: (7uv^2)^-5

Back

1/7^5u^5v^{10}

Front

What is the square root of 16?

Back

4

Front

What is the definition of a square root?

Back

A square root of a number x is a number y such that y^2 = x.

Front

What is the product of two square roots?

Back

√a * √b = √(a * b) for non-negative a and b.

Front

What is the power of a power property in exponents?

Back

(a^m)^n = a^{m*n}.

Front

What is the sum of two rational numbers?

Back

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