Exam 1: Review of Algebra

Suppose the weekly revenue for a company is given by r = + 60p where p is the price of their service.What is the price of their service if the revenue is $200?

Solve the equation by using quadratic formula.Use a calculator and give your answer by rounding off to 2 decimal places: + 3.5x + 1.2 = 0

Perform the operation and simplify your answer:

Simplify and express your answer in terms of positive exponents:

Simplify and express your answer in terms of positive exponents:

Perform the operation and simplify your answer:

You have been on a train for X hours traveling X miles per hour.It is 6 p.m.and you are 3249 miles from the train station.How many hours have you been traveling and how fast were you traveling?

=

Divide the polynomial + 3x + 5 by 2x + 1 to give the quotient and remainder.

Perform the indicated operations and simplify: + +

Solve the equation: 1.4( 0.2x + 1.3)= 0.5(0.1x + 4.56)

Completely factor: + 5x - 6

Simplify: +

Eric and Paige have agreed to pool their savings when they have saved the same amount of money.Eric can save $15 a week and will have an extra $80 when his brother pays him back in 3 weeks.Paige can save $20 a week but won't be able to start saving for 5 weeks.When will they pool their savings? How much will they each have saved?

Suppose the height h in meters of fireworks fired straight upward from the ground is given by h = 24.5t - 4.9 where t is in seconds.When will the fireworks be 20 meters off the ground?

Completely factor: - 8

Simplify: (3 )

Simplify: +

Solve: - =

Solve the formula h = for L.