PLEASE HELP! Math! ALGEBRA
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PLEASE HELP! Math! ALGEBRA

[From: ] [author: ] [Date: 12-06-29] [Hit: ]
But anyways thanks!- - 1.) Choose which function is an inverse variation.a.b.c.......
This is a Practice Test and I have a Final Exam Tomorrow. Answers would be Great but Answers with Explanation would be AWESOME. But anyways thanks!

- - 1.) Choose which function is an inverse variation.
a. y=5/x
b. y=13x^2
c. y/x=5

- - - 2.) Using the formula, I = PRT, to find simple interest on an account, find the amount of interest earned in 3 years if you deposited $500 into a savings account earning 6% per year.
a. $9000
b. $90
c. $900

- - - - 3.) Which of the following is a good example of a rational expression?
a. √x^2/4 = x+3
b. x/6 = 5/√x+1 (square root is over "x+1")
c. 8x+5/3-x = 56

- - - - - - 4.) Find the LCD of the fractions in the equation 4.5x/2x+5 = 2x/x^2
a. (2x+5) (x)
b. 2x+5 - x
c. (2x+5) (x) (x)

-
1) A

2) (500)(0.06)(3) = $90 (B)

3) C

4) C

I hope this information was very helpful.
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