Exam 9: Rational Exponents

Solve the equation.

Simplify the expression. Do not assume that the variables represent positive numbers.

Rationalize the denominator in the following:

Rationalize the denominator in the following:

Combine the expressions.

Solve the equation. x = __________

Write the number in terms of i , and simplify as much as possible.

Find the product.

Use Property 1 for Radicals to write the expression in simplified form.

Multiply. (Assume all expressions appearing under a square root symbol represent nonnegative numbers.)

Write the number in terms of i , and simplify as much as possible.

Find x and y so that the following equation is true.

Factor the expression as if it were a trinomial.

Combine the complex numbers.

Divide.

Simplify as much as possible.

Multiply.

If you are at a point miles above the surface of the Earth, the distance you can see (in miles) is approximated by the equation . How far can you see from a point that is 2 miles above the surface of the Earth?

Simplify as much as possible.

Simplify as much as possible.