algebra

College Algebra

Directions: Solve graphically:

x^(2/3)+x^(1/3)-2=0


I just don't know how to approach this?!

  1. 👍 0
  2. 👎 0
  3. 👁 72
  1. let x^(1/3) = t

    so t^2 + t - 2 = 0
    (t+2)(t-1) = 0
    t = -2 or t=1

    x^(1/3) = -2 or x^(1/3) = 1
    x = -8 or x = 1

    Don't know how solving this "graphically" can be easier?
    Are you supposed to use a graphing calculator?

    1. 👍 0
    2. 👎 0
    posted by Reiny
  2. Thats just what the directions say..

    But thank you so much, You Rock!!

    1. 👍 0
    2. 👎 0
    posted by Courtney

Respond to this Question

First Name

Your Response

Similar Questions

  1. statistics

    At a small college it is known from previous years that 35% of all college freshman start in college algebra. The new freshman class has 100 students in it, What is the probability that between 35 and 42 freshman will start in

    asked by lola on March 23, 2012
  2. math,algebra

    Can someone help me with this problem I don't understand what to really do or even how to graph them I show what i have so far. Directions: Solve each of the following systems of linear inequalities graphically. Problem:

    asked by jasmine20 on January 2, 2007
  3. College Algebra

    Solve the following equation in the complex number system x^4+x^3+4x^2+10x-60=0 College Algebra - Reiny, Monday, January 2, 2012 at 11:49pm hint x = 2 and x = -3 are roots so either do long division by x-2 and x+3 to get a

    asked by Jennifer on January 3, 2012
  4. math

    the sum of a number and 3 times that number is 76. what is that number? PLEASE HELP ME I DON'T GET IT!!!!!!!! Mathematics is a language, so translate the English into "math" let the number be x "the sum of a number and 3 times

    asked by Rebekka on April 18, 2007
  5. HCA 220

    I need help with an assignment that is due today and I am totally lost. All I need is for someone to point me in the right direction. For example, The approach is body planes and directions; what is the approach and how might the

    asked by CD on March 30, 2008
  6. health care 220

    can someone just tell me how to do this I can not get a hold of my teacher. I do not want the answer I just do not understand how to do it. A. Use the matrix below to describe each approach to organizing information about the

    asked by angela on December 7, 2008
  7. medical terminology

    Seven Organizational Approaches A. Use the matrix below to describe each approach to organizing information about the body. Discuss how each approach can be used. Approach Describe the approach How might the approach be used? Body

    asked by nicole on September 8, 2008
  8. math

    Mr. Doodle’s grade distribution over the past 3 years for a course in college algebra is shown in the chart below. Grade Number A 45 B 180 C 210 D 95 F 65 I 5 If Jane plans to take a college algebra course with Mr. Doodle,

    asked by kozy on May 29, 2011
  9. Math

    Mr. Doodle’s grade distribution over the past 3 years for a course in college algebra is shown in the chart below. Grade Number A 45 B 180 C 110 D 95 F 65 I 5 If Jane plans to take a college algebra course with Mr. Doodle,

    asked by Jen on July 19, 2011
  10. Health Care

    Seven Organizational Approaches A. Use the matrix below to describe each approach to organizing information about the body. Discuss how each approach can be used. Approach Describe the approach How might the approach be used? Body

    asked by sue on May 30, 2008

More Similar Questions