Jayden Haddy

Most popular questions and responses by Jayden Haddy
  1. maths

    If one of the root of the quadratic equation ax^2 + bx +c =0 is three times the other, show that 3b^2 = 16ac

    asked on August 15, 2013
  2. maths

    prove that if m is not equal to n, the equation (m^2+n^2)x^2 - 2(m+n)x + 2=0 has unreal roots.

    asked on August 11, 2013
  3. maths

    Consider the quadratic equation m^2 x^2 + 2(2m-5)x + 8 = 0 a) If 2 is a root of the equation, find the possible values of m (there are four possible values) b) For each value of m, find the other root I have actually calculated the answer m=1 or m=-3 for

    asked on August 17, 2013
  4. maths

    If the ratio of the roots of the quadratic equation ax^2 + bx +c =0 is m:n prove that mnb^2=(m+n)^2 ac

    asked on August 17, 2013
  5. maths

    Consider the equation x(square) + 4px + 2q = 0 where p and q are real constants. a) by completing square, show that (x+2p)square =4P(SQUARE)-2q b) Hence show that x= -2p +/- square root(4 p(square) -2p ) c) Use the above results to solve the equations 1)

    asked on August 4, 2013
  6. maths

    Let ( x(square)+ 3x +1) over (2 x(square) -5x+2) = k ----------be y 1) Express y in the form of a x(square) + bx +c =0 2) If -3/4 is a root of y, find the value of k I don't really understand why the answer is like that. Can you explain?

    asked on August 10, 2013
  7. maths

    If the sum of the squares of the roots of the quadratic equation ax^2 + bx + c = 0 is m:n, prove that b^2= 2ac + 4a^2 I really have no idea how to prove it so pls help

    asked on August 18, 2013
  8. maths

    Find the value of k if the product of the roots of the quadratic equation kx^2 + 4x + k^2 -21 = 0 is 4

    asked on August 15, 2013
  9. maths Please help!!!!!

    if a, b,c are real numbers and not all equal, prove that the equation (c-a)x^2 -2(a-b)x + (b+c) = 0 has unequal real roots

    asked on August 11, 2013
  10. maths

    x^2 - 20x +c =0 one of the root of the equation is the three times the other, find the values of c and the roots

    asked on August 11, 2013
  11. maths

    if a, b,c are real numbers and not all equal, prove that the equation (c-a)x^2 -2(a-b)x + (b+c) = 0 has unequal real roots

    asked on August 11, 2013
  12. maths

    given that a,b,c are real numbers and c is bigger than 0, prove that the roots of the equation (x-a)(x-b)=c are real.

    asked on August 11, 2013
  13. maths

    Prove that if p and q are rational and p is not equal to 0, the roots of the quadratic equations p x(square) + 2qx -p +2q = 0.

    asked on August 9, 2013
  14. maths

    solve the following equation by completing the square x(square) - 4(square root 5)x =6 = 0 Then x= or x=

    asked on August 3, 2013
  15. maths

    solve the following equation by completing square x(square) + 5x - 84 Pls show steps x= or x=

    asked on August 3, 2013
  16. maths

    Consider the quadratic equation m^2 x^2 + 2(2m-5)x + 8 = 0 a) If 2 is a root of the equation, find the possible values of m (there are four possible values) b) For each value of m, find the other root

    asked on August 17, 2013
  17. maths

    If the roots of x^2 - px + q = 0 are two consecutive integers, prove that p^2 - 4q -1 = 0

    asked on August 17, 2013
  18. maths

    a)If one root of the equation x^2 + a(3a-5)x = 2(x+4a) is negative of the other. Find the values of a . b) If a>0, use the result of (a) to solve the equation.

    asked on August 15, 2013
  19. maths

    Given that a and b are the roots of the quadratic equation 2x^2 - 4x +3 = 0, find the quadratic equation in x with roots a^2-(1/b) and b^2-(1/a).

    asked on August 15, 2013
  20. maths

    If the roots of the quadratic equation 4x^2 + px +5 = 0 are a and a+2, find the real values of p .

    asked on August 15, 2013
  21. maths

    Prove that if p and q are rational and p is not equal to 0, the roots of the quadratic equations p x(square) + 2qx -p +2q = 0 are rational.

    asked on August 9, 2013
  22. maths

    Find the discriminant of the equations in terms of k k x(square)-(3k-5)x +14 = 0

    asked on August 9, 2013
  23. maths

    Let ( x(square)+ 3x +1) over (2 x(square) -5x+2) = k ----------be y 1) Express y in the form of a x(square) + bx +c =0 2) If -3/4 is a root of y, find the value of k

    asked on August 9, 2013
  24. maths

    solve the following equation by completing the square x(square) -13x + 21 = 0 Then x= or x=

    asked on August 3, 2013
  25. maths

    solve the equation express the answers in p and q x(square) - (p+q)x + (p+1)(q-1)=0 Then x=? or x=?

    asked on August 3, 2013