3,394 Answered Questions for the topic College Algebra

College Algebra

06/14/14

find all the values of x satisfying the given conditions.

f(x)=1-2x 2(x)=3x2+x-1 (fοg)(x)=-5
College Algebra

06/14/14

form a polynomial f(x) with real coeffiecients having the given degree and zeros

degree 4; zeros: -2-5i; 3 multiplicity of 2
College Algebra Math Algebra 1 Algebra 2

06/09/14

Select the approximate values of x that are solutions to f(x)=0, where f(x)=-6x^2+8x+9

Select the approximate values of x that are solutions to f(x)=0, where f(x)=-6x2+8x+9.   A. {2.06, -0.73} B. {-6, 8} C. {-1.33, -1.50} D. {-0.67, 0.89}
College Algebra Word Problem Linear Equations

06/02/14

How many panels did plant B produced?

Two factory plants are making TV panels. Yesterday, Plant A produced 4 times as many panels as Plant B. Four percent of the panels from Plant A and 2% of the panels from Plant B were defective. How... more
College Algebra Functions Algebra Help

05/08/14

Function help

A cost-benefit function C computes the cost, in millions of dollars, of implementing a city recycling project where x percent of the citizens participate, where. C(x)=x/100-x a) If 75 percent... more
College Algebra Functions

05/08/14

Function help

A cost-benefit function C computes the cost, in millions of dollars, of implementing a city recycling project where x percent of the citizens participate, where. C(x)=x/100-x   a) Graph C using... more
College Algebra Functions

05/03/14

Complicated function

The number of households f(x),  in millions. participating in the Food Stamp Program from1999 to 2004 (where x = number of years) is represented by the functionf(x) = 0.78x^2 -5.5x+12.68a. During... more
College Algebra Word Problem Area

05/03/14

Never seen a problem like this

You have 180 yards of fencing to use on three sides of a garden. The fourth side is the toolshed.a. What is the maximum area that you can fence?b. What are the dimensions of the garden?
College Algebra Parabolas

05/03/14

Equation of a parabola

How can I find the equation of a parabola when I am given a=1 (I have a graph but do not know the steps I need to take)
College Algebra Parabolas

05/03/14

Parabola help

Given the equation -5 (x - 2)2 -1=ya. Identify the vertex.b. Identify the axis of the symmetry.c. Identify the direction of the graph (whether it opens up or down).
College Algebra Functions

05/03/14

Function help?

A water balloon is dropped from the roof of a 60-foot building with an initial velocity of 20feet per second. The height of the balloon can be modeled by a function. a. What is tire function that... more
College Algebra Word Problem

05/01/14

How much of each kind of nut is put into the mix?

A grocer mixes almonds that cost 8.85 a pound with black walnuts that cost 10.00 a pound to make 100 pounds of a mixture that sells for 9.60 a pound. How much of each kind of nut is put into the mix?
College Algebra Conics

05/01/14

How to find the center, transverse axis, vertices, foci, and asymptotes of the following equation? 2X^2 - y^2 +4x + 4y -4 = 0

This is a conics question for my college algebra class.
College Algebra

05/01/14

(x-5)/7=(x+3)/2

help me solve
College Algebra Conics

05/01/14

Ho to find the equation and graph a hyperbola with a focus at (0,6) and vertices at (0,2) and (0,-2)?

This is a conics question for my college algebra class.
College Algebra Conics

05/01/14

How do I find the center, vertices, and foci of the following equation for an ellipse? X^2 + 3y^2 - 12y +9 = 0

This is a conics question for my college algebra class.
College Algebra Conics

05/01/14

How do I find the equation of and graph an ellipse with the foci at (0,2) and (0,-2) and a major axis with a length of 8?

This is a conics question for my college algebra class.
College Algebra

04/30/14

Find the quadratic function f(x)=ax^2+bx+c for which f(1)=0, f(-2)=6 and f(2)=-14

find the quadratic function f(x)=ax^2+bx+c for which f(1)=0, f(-2)=6 and f(2)=-14
College Algebra

04/30/14

the sum of the squares of two numbers is 162. The product of the two numbers is 81. Find the numbers

The sum of the squares of two numbers is 162. The product of the two numbers is 81. Find the numbers.
College Algebra

04/27/14

what is the foci of the ellipse(25x^2+9y^2-150x=0

find foci of the ellipse
College Algebra Algebra Word Problem

04/19/14

how to construct a mathematical model for each plan?

a. A flat fee of $50 per month for unlimited calls (is it 50=x)   b. a $30 per month fee for a total of 30 hours of calls and an additional charge of $0.01 per minute for all calls over 30... more
College Algebra Algebra Equations

04/16/14

a frog is sitting on a stump 24 ft above the ground. it hops off the stump and lands on the ground 8 ft away.

a frog is sitting on a stump 24 ft above the ground. it hops off the stump and lands on the ground 8 ft away. during its leap, its height h is given by the equation h=-0.5x^2+x+24 where x is the... more
College Algebra

04/14/14

solve for x

18=4+abs(2x) 
College Algebra Functions

04/14/14

Find the domain of the function

f(x)=(3x-6)/(x^2-25)
College Algebra

04/14/14

Write the equation of the circle.

Write the equation of the circle with a diameter whose endpoints are (0,7) and (0,3). 

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