Example Questions

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Example Question #12 : How To Solve For A Variable As Part Of A Fraction

Solve for x:       Explanation:

In order to solve for x, you must cross multiply the ratio first. They will be equal to each other.  , you then can add 3x to both sides and 402 to both sides as well. You are left with: divide both sides by 9 to get the final answer: Example Question #281 : Exponents

If , which of the following could be the value of ?      Explanation: Take the square root of both sides.  Add 3 to both sides of each equation.  Example Question #282 : Exponents

Simplify:       Explanation: = x3y3z3 + x2y + x0y0 + x2y

x3y3z3 + x2y + 1 + x2y

x3y3z3 + 2x2y + 1

Example Question #6 : How To Use Foil With Exponents

Use the FOIL method to simplify the following expression:       Explanation:

Use the FOIL method to simplify the following expression: Step 1: Expand the expression. Step 2: FOIL

First: Outside: Inside: Last: Step 2: Sum the products.  Example Question #9 : How To Use Foil With Exponents

Square the binomial.       Explanation:  We will need to FOIL.

First: Inside: Outside: Last: Sum all of the terms and simplify.  Example Question #4 : How To Use Foil With Exponents

Which of the following is equivalent to 4c(3d)– 8c3d + 2(cd)4?

2cd(54d2 – 4c+ c* d3)

cd(54c * d– 4c+ c* d2)

2(54d– 4c+ 2c* d3) 