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Basic Algebra

Simplifying Expressions

Express as a single fraction in lowest terms 3y + w 7y - 2w -4+----------- + ---------- 7y 2y

Solving Equations

Solve for z. z is a real number. If there is more than one solution, separate with commas. principle square root 4z - 5 = principle square root 2z + 3 Note: I don't know how to graph the sign for principle square root, which is why i write it out.

Simplifying Expressions

Find the quotient of the following. Reduce to lowest terms. 14u 4tu ---- divided by ------ 9t 3t

Simplifying Expressions

3 principle square root 27 Note: I'm not sure how to graph the principle square root sign. Hence, why I wrote it out. Hope that makes sense.

Algebra Word Problems : Velocity and Displacement

A ball is dropped from the top of a 400 foot tall building and falls such that its distance from the ground at t seconds is s = -16t2 + 400 feet. What is the average velocity of the ball for the first 4 seconds?

Filling an aquarium tank

An aquarium tank can hold 7700 liters of water. There are two pipes that can be used to fill the tank. The first pipe alone can fill the tank in 77 minutes. The second pipe can fill the tank in 44 minutes by itself. When both pipes are working together, how long does it take them to fill the tank?

Solve Using a + bi Form

Write the following expression in the form a + bi, where a and b are real numbers. (3 - 5i) - (2 - 7i)

Simplify principle square root

Principle square root 3 Principle square root 3 -------------------------- - ----------------------------- principle square root 6-1 principle square root 6 + 1

Simplifying Expressions

Square root 6 square root 14 -------------------------- * ------------------------------- square root 7 square root 3

Simplifying Expressions

Simplify. Assume a and b are positive real numbers and m and n are rational numbers. ( a^-3/mb^6/n)^-1/3 ------------------ (a^-6/mb^9/n)