3,394 Answered Questions for the topic College Algebra

College Algebra

11/13/14

solve equation

solve e^(2x)-4e^(x)+3=0
College Algebra

11/13/14

Solve equation

solve (1/9)^x=-9 and (1/9)=9 for x  
College Algebra

11/13/14

give the center and radius of the circle

give the center and radius of the circle 4x^2+4y^2+4x-4y-3=0
College Algebra

11/13/14

give the focus

give the focus, directrix and axis of the parabloa: 32y^2=-x
College Algebra Algebra 2

11/13/14

prove the parablola

prove the parablola with foucus (c,0) and directricx x =-c has equation y^2 = 4cx
College Algebra

11/12/14

solve equation

solve e^2x- 4e^X+3=0
College Algebra

11/12/14

solve equation analyticaly

wat it the domain and range of the flwwing equation In(5+x)-In(3+x)-In3=0. solve the eqution analyticaly
College Algebra

11/12/14

solve the problem

solve Y=k/1+ae^-bx, for b
College Algebra

11/12/14

defined function

A. consider the function defined by f(x)=2^x-1+8. find the invrse of f b.Solve for A=pe^nq for n
College Algebra

11/12/14

word problem

radium 226 has a half life about 1600 years. An intial simple wights 2 grms.A. find a formula for the dacy functionB. Find the amount left after 9600 years.c. Find the time for the intial amount to... more
College Algebra Algebra Logarithms

11/11/14

Give a counterexample to the claim log (s/t) = log s/ log t

Give a counterexample to the claim log (s/t) = log s/ log t
College Algebra Conic Sections

11/10/14

Determine an equation for the parabola with focus (3,1) and directrix x=9

determine an equation for the parabola with focus (3,1) and directrix x=9
College Algebra Circus Tickets

11/09/14

What is the price of a child's ticket and a senior citizen ticket?

The circus is coming to town. Sue is selling tickets. The first day she sold 4 senior citizen tickets and 2 children's tickets for a total of $80. The second day she received $145 for 5 senior... more
College Algebra

11/09/14

a youth organization collected nickels and dimes for a charity drive

By the end of the 1-day drive, the youth had collected $63,000. If there were four times as many dimes as nickels, how many of each type of coin was collected? 

10/29/14

How much interest is earned in 10 years invested on $5,000 invested at an interest rate of 7% per year?

Another problem that I am having difficulty solving.

10/29/14

Kira owes the bank some money at 6% per year. After one year, she paid $80 in interest. How much money does she still owe to the bank?

Just a math problem that I have been stuck on for a while.
College Algebra

10/29/14

solve analytically

Solve the analytically (5-5x)3/2+x=1
College Algebra

10/29/14

Graph the rational function

Graph the rational function by hand f(x)=x^3+2x^2-13x-10
College Algebra

10/29/14

2 drains drain a pool in 8 hours. One is 1.5 times faster. How long will it take for the faster one to drain the pool itself?

i have no clue how to set up this problem in order to solve it need help
College Algebra

10/29/14

world problem

A rectangular piece of cardboard measuring 12 in by 18 in is to be made into a box with an open top by cutting equal sized squares from each corner and folding up the sides.A.give the restriction... more
College Algebra

10/28/14

divide p(x)=20x^4+6x^3-2x^2+15x by 5x-1

Divide p(x)= 20x^4+6x^3-2x^2+15x by 5x-1
College Algebra

10/28/14

solve the rational inequality

solve the rational inequality 2-5/x+2/x^2>0
College Algebra

10/28/14

Find all the zeros of the function

Find all the zeros of the function P(x)=x^3+2x^2-13x-10

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