1. Questions

Advanced Algebra

25x^4-25x^2+6=0
solve type an exact answers using radical and rationalize all denominators

  1. 👍
  2. 👎
  3. 👁
Avincent

  1. First factor it to

    (5x^2 - 2)(5x^2 - 3) = 0

    x^2 = 2/5 or x^2 = 3/5

    x = ±√2/√5 or x = ±√3/√5
    rationalizing:

    x = ±√10/5 or x = ±√15/5

    1. 👍
    2. 👎
    Reiny

Respond to this Question

First Name

Your Response

Similar Questions

  1. Intermediate Alegebra

    Solve the system of equations by the addition / elimination method. y = 5x + 5 5y = 25x

  2. Algebra

    1. Find the degree of the monomial 6p^3 q^2. A) 2 B) 3**** C) 5 D) 6 2. Simplify (7t^2+9)+(6t^2+8) A) t^2 +1 B) 13t^2+17 C) 13t^4+ 17**** D) 42t^2+72 3. Simplify 3n(4n^2 + 5n) A) 12n^3 + 15 n^2***** B) 7n^2+8n C) 12n^2 +15n D)

  3. algebra1

    graph the system of inequalities, and classify the figure created bu the solution region. y¡Ü4x+4 y¡Ü-0.25x+4 y¡Ý4x-1 y¡Ý-0.25x-1 a)the shaded region is a plane minus a rectangle b)there is no region common to all four

  4. Math ASAP please

    1. Write a function rule for finding the amount of daily pay, p, in the following situation: A bus driver gets paid $100 each day plus $0.20 per kilometer, k. (1 point) 100 = 0.20 × k p = 0.20 × 100 × k p = 0.20k + 100 0.20k =

  1. Math

    Find the inverse of the function. f(x) = -0.25x + 6 I am having trouble when there is a decimal to solve like -0.25x

  2. Math

    Solve the system by substitution -4.5x - 2y = -12.5 3.25x - y = -0.75 Please show steps I’m not sure what to do. Thanks in advance!

  3. arithmetics

    I still don't understand how you got those answers?drbob how did you get 0.75 divided by 112.50? can someone else help me understand? #6 After an article is discounted at 25% it sells for $112.50. The original price of the article

  4. algebra

    I need someone to check my work not sure if I'm doing this right. The design of a digital box camera maximizes the volume while keeping the sum of the dimensions at 6 inches. If the length must be 1.5 times the height, what should

  1. Algebra II-please check

    Write the polynomial in simplest form with roots 4, 5i and -5i(multiply it out so no parentheses remain (x-4)(x+5i)(x-5i)(NOT SURE ABOUT THIS ONE) (x-4)(x^2-25i^22) (x-4)(x^2+25) x^3+25x-4x^2-100 x^3-4x^2+25x-100 Is this correct

  2. Algebra 1

    Solve the system by substitution {-4.5x-2y=-12.5 3:25x-y=-0.75}

  3. Calclulus - L'Hopital's Rule

    Evaluate the limit as x -> Infinity [5x-sqrt(25x^2+4x)] Direct substitution yields the indeterminate form Infinity - Infinity. Apparently, according to text book, I have to change that mess into something I can use L'Hopital's

  4. math

    Solve 4a2 + 25 = –20a by factoring. Verify your solution Solve and verify the following equation: 13x2 + 35x + 21 = –12x2 – 25x – 15

You can view more similar questions or ask a new question.