1. algebra

    find the average weight in pounds of a type of bird of your choice. Use the rational exponent equation L = 2.43 * W^0.3326 to estimate the wingspan L in feet of the bird that weighs W pounds show the average weight. How do I show the calculations necessary
  2. College Algebra

    Use the rational zeros theorem to find all the real zeros of the polynomial function. Use the zeros to factor f over the real numbers. f(x)=2x^3-x^2+2x-1
  3. Calculus

    After an hour of googling this as you suggested, I still can't find the discussions or proof you were referring to. Can you please either send the link you found or help me with this? I don't know how to even start it. Prove that the function defined by:
  4. pre-calculus

    Find the number of possible negative real zeros for f(x)=6+x^4+2x^2-5x^3-12. Answer: 0 2) Approximate the real zeros of f(x)=2x^4-3x^2-2 to the nearest tenth. Answer: no real roots
  5. Adv. Math.

    Find the number of possible negative real zeros for f(x)=6+x^4+2x^2-5x^3-12. Answer: 0 2) Approximate the real zeros of f(x)=2x^4-3x^2-2 to the nearest tenth. Answer: no real roots
  6. Radical exponents

    Use rational exponents to write 4suare root 5 * 2 sqaure root 8 Please help.. I can't find the square root button
  7. Math

    If alpha, beta are the zeroes of x2-2x+3, find a quadratic equation whose roots are (alpha-1)(beta+1), (beta-1)(beta+1)
  8. college algebra

    use rational zeros theorem to find all the real zeros in the polynomial function. use zeros to factor f over real numbers. f(x)=x^3+10x^2-13x-22 find real zeros of f? use real zeros to factor f?
  9. Math(Algebra)

    An arrow is shot vertically upward from the top of a cliff 80 feet tall, with an initial velocity of 64 ft/s, (the acceleration due to gravity is -16ft/sec). a. Write the quadratic equation representing this scenario when h is 0. b. Find the roots
  10. Pre-Algebra

    8. Mark needs to cut a piece of glass to replace a broken window. He has four pieces of glass: 6 feet long, 5 feet long, 3 feet long, and 7 feet long. If the length of the glass he needs to cut is square root 20 feet long, which piece of glass should he
  11. physics

    A student pulls a box of books on a smooth horizontal floor with a force of 100 N in a direction of 30° above the horizontal. If the mass of the box and the books is 40.0 kg, what is the acceleration of the box? Square root of three meters per second
  12. Precalculus

    Write the three cube roots of 8 cis (-30°).
  13. AP Calc

    What are the zeros (roots) of the function 2x/((x^2)-1) ? Would it just be (0,0)? Thanks in advance!
  14. algerbra 2

    what are the other roots of 3x^4-12x^3+41x-8x+26 that include 2-3i
  15. maths

    If the roots of the equation x2+a2=8x+6a are real, then a belongs to
  16. pre calculus

    cube roots of 64i?
  17. math12

    solve. check for extraneous roots.3^2x-4(3)^x+3=0
  18. mathematics

    How do i caluclate the roots of the equation for: x^2-3x-12=0 (x^2-4)=0 (x+3)=0 x^2=4 x+3+0 x=4 x=-3 Am i on the right path or just way off??
  19. Math

    Determine the nature of the roots of this question (1/4)x^2+x+1=0
  20. algebra or algebra1

    simplify square roots(2^3/-7^2)
  21. Math

    The roots of the quadratic equation z^2 + az + b = 0 are 2 - 3i and 2 + 3i. What is a+b? Can you please help me with this question?
  22. Algebra

    Determine all roots of the function: f(x) = 10x(x^2+4x+3)
  23. math please

    Solve 3^2x + 3^x - 21 check extraneous roots
  24. math-calculus

    the roots of the equation |x^2+2x-10| = 5 are -5, 3, and -1+-sqrtN value of N is? A. 6 B. 8 C. 12 D. 24 please help with this.
  25. Maths

    The roots of the polynomial f(x)=7x^2 +38x+c=0 are reciprocals of each other. What is the value of c ?
  26. Math

    If the roots of the equation (b-c)x^2+(c-a)x+(a-b)=0 are equal, prove that 2b=a+c.
  27. Algbera

    solve for the roots of the quadratic equation 2(x^2 - 4x + 5)=x^2 - x
  28. Math

    Determine the real roots of the equation: (5x^2 + 20)(3x^2 - 48) = 0
  29. math

    square roots to the nearest tenth of 42
  30. Calculus AB

    If r and s are roots of the pokynomial equation x^2 + bx + c, show that b=-(r+s) and c=rs
  31. maths

    proof that the equation x^2(a^2+b^2)+2x(ac+bd)+(C^2+d^2)=0 has no real roots.
  32. Math

    Which two sqare roots are used to estimate 47 ? (1 point)
  33. math

    identify all real roots of x^3-9x^2+16x-8=0
  34. Biology

    How is it possible for a stem to give rise to roots?
  35. science

    Name two jobs or functions of the roots of a flower?
  36. plant life

    Two jobs or functions of the roots?
  37. math

    form the quadratic equations whose roots are(A:5 and -1/3
  38. Algebra

    How do I solve for the roots of this quadratic equation: 3x^2-7x ---------=3 2
  39. Biology

    how is it possible for a stem to give rise to roots?
  40. algebra 2

    list all solutions if x^(4)+x^(3)-11x^(2)+9x+20=0 and if one of the roots is x=2-i
  41. maths

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

    if the ratio of the roots of the equation ax2+bx+c is m:n
  43. Math

    Let f(x)=x2−1. How many distinct real roots are there to f(f(f(x)))=0?
  44. Maths

    How do I work out square roots without a calculator?
  45. college

    give all the roots of f in the function f(x)= -9x^3-5x^2-36x-20
  46. CP Geometry

    Working with square roots (s.r.) and need help. - s.r. 60/5 This is negative s.r. 60/5
  47. Algebra

    How many total Roots are in this polynomial equation? (x-4)^5(x^2-11)(x^2+49)=0
  48. maths

    Let f(x)=x^2−1. How many distinct real roots are there to f(f(f(x)))=0?
  49. adv. alg.

    list all roots of 1) x^5-3x^4+3x^3-x^2=0 2)8x^3-12x^2+6x-1 3) x^4=16
  50. math

    What are the real roots of the quadratic function 4x^2-x+5?
  51. SAT math

    1. If square root of 3x-11 +10 = 17, find the value of 10 x . I don't know how to solve with square roots. I subtracted 10 from both sides, so I'm left with square root of 3x-11 = 7...How do I solve for x?
  52. Pre-Calculus

    Rational Functions does the following function have a hole or a vertical asymptote or both? how do you know? find the y-value at that point. y=x^2+7x+12/x^2+8x+15 I factored this out to y = (x+3)(x+4)/(x+5)(x+3) The x+3's cancelled out. I don't get the
  53. math

    Division of rational numbers find each product 1. 1/3 * 7 A. 1/21 B. 2 1/7 C. 2 1/3 D. 3/7 I think it is B 2. -7/9 * 3/5 A. 18/35 B. 7/15 C. -18/35 D. -7/15 I think it is C 3. 1/3 divided by 5/6 A. 2/5 B. 5/2 C. 2/15 D. 5/18 I think it is C 4. 2 1/8
  54. calculus

    use the rational zeros theorem to find all the real zeros of the polynomial. Use the zeros to factor f over the real numbers. f(x)=2x^3-x^2+2x-1
  55. Algebra 2

    Perimeter of Triangle: the length of the sides of a triangle are 1/x, 2/x, and 2/3x meters. Find a rational expression for the perimeter of the triangle
  56. Algebra

    1)Find the exact solutions to 3x^2=5x-1 using the quadratic formula. answer=5 plus or minus the square root of 37 over 6 2)Use the discriminant to determine the number and type of roots for the equation 2x^2-7x+9=0 answer=2 complex 3)Identify the
  57. maths

    Given that the roots of 2x^2-4x+5 are alpha and beta,find the value of ... (i)alpha^3beta^3 (ii)(alpha-beta)^2
  58. Math

    two functions are defined as follows: f(x)=3/x+1 and g(x)=x-6 a) Write the equations of the vertical and horizonal asymptotes of f. b) Determine the coordinates of the points where f(x) = g(x) Thank you so much for huge help Is ti correct please? answer
  59. pre cal

    Find a possible formula for the function graphed below. Assume the function has only one x-intercept at the origin, and the point marked on the graph below is located at (2,12). The asymptotes are x=−2 and x=1. Give your formula as a reduced rational
  60. 7th Grade Math

    What are two square roots of ten?
  61. algebra

    how do u do square roots of perfect and imperfect squares?
  62. Math

    Two consectutive numbers with square roots that have a difference of 33. Please help, I'm 12.
  63. math

    Which of the following are square roots of the number below? Check all that apply. 25 A. -(25)^1/2 B. -5 C. 13 D. 25^1/2
  64. 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.
  65. math

    If a,b,c are integers and b²=4(ac+5d²), d €N then roots of the eqn ax²+bx+c=0 are
  66. Math

    Determine the real roots of the polynomial equation: (x^2+1)(x-4)=0
  67. Science

    How is geotropism/gravitropism related to roots and shoots?
  68. science lab

    does a plant need roots to have photsynthesis occur?
  69. maths

    Determine the nature of the roots of the following quadratic equations: (a) 3x^2 - 6x + 7 = 0 (b) 3x^2 + 6x - 7 = 0 (c) -5x^2- x/5 = 0 (d) 4x^2 - 28/3x + 49/9 = 0
  70. Algebra

    Solve the following equation. 16x-8square roots of x = 35
  71. math

    I'm not exactly sure how to factor cubed roots: 8x^3 - 1 = (2x)^3 - 1 that's what i get; can it be simplified anymore?
  72. math

    Given that the roots of the equation 3x^2+x+2=0 are a and b, show that 27a^4=11a+10.
  73. Maths

    Consider the cubic polynomial f(z) =z3−2z+ 4. Given that z = 1 +i is a root of f(z), determine all the roots of f(z) in C
  74. algebra

    Given 3+i is a root, determine all other roots of f(x)=x^4-2x^3-x^2-38x-130.
  75. math

    Show that if roots of eqn (a²-bc) x²+2(b²-ac)x +c²-ab=0 are equal then either b=0 or a³+b³+c³=3abc.
  76. maths

    Determine the nature of the roots of the following quadratic equations: (a) 3x^2 - 6x + 7 = 0 (b) 3x^2 + 6x - 7 = 0 (c) -5x^2- x/5 = 0 (d) 4x^2 - 28 49 ----x + ----- = 0 3 9
  77. 10th grade math

    3a²-a-4=0 solving for the roots,
  78. American Government

    What do America's founding principles have roots in?
  79. Roots & Shoots

    any organizations to donate to help animals and the environment?????
  80. science

    What happens if water is lost from the leaves faster that it is taken up the roots?
  81. math

    solving equation (b-c)x² + (c-a)x + (a-b) = 0 folling roots are obtained
  82. Math

    Solve the equation. Check for extraneous roots. 4^2x-4^x-20=0
  83. pre cal

    Write a quadratic function that has roots of 41 and P.
  84. math

    Assume r and s are the roots of the quadratic equation ax^2 + bx + c = 0, show that r + s = -b/a and rs = c/a.
  85. Math

    Construct a polynomial g(x) with integer coefficents and roots 1, 2/3, and 4i
  86. Pre-Calculus

    Given -4i is a root, determine all other roots of f(x) = x^3 - 3x^2 + 16x - 48. Are they 4i and 3?
  87. maths

    Positive and negative roots of e to the power x equals to x.
  88. Math (Algebra)

    f(x)=x^4+ax^3+bx^2+cx+d and has real coefficients. If two of the roots are 4−i and 2+3i, what is the value of a+b+c+d?
  89. Algebra 2.

    16x^4+8x^3+17x^2+8x+1 I have tried it but i keep getting the wrong roots can someone solve this?
  90. math

    How many real roots exist if the discriminant of the equation=0?
  91. algebra 2

    how is 7-3i + 7+3i = 14/1 we're doing sum and product of roots, and i don't get how this is equal to 14
  92. Trigonometry

    nature of roots of the quadiratic equation 3X2 - 4x+ 5= 0
  93. Algebra2

    Which correctly describes the roots of the following cubic equation? x^3-5x^2+3x+9=0
  94. maths

    Determine the nature of the roots of the following quadratic equations: (a) 3x^2 - 6x + 7 = 0 (b) 3x^2 + 6x - 7 = 0 (c) -5x^2- x/5 = 0 (d) 4x^2 - 28/3x + 49/9 = 0
  95. algebra

    Is it possible for a degree-4 polynomial P(x) to have only complex (no real) roots
  96. MAths

    Let r1,r2,r3 be the roots of polynomial P(x)=x^3+3x+1. Evaluate the product 3 ∏ (r^2+r +1) k k k=1
  97. Math

    What is the value of the descriminant of 2x2-13x-7=0? And what can you learn to know about the roots from that value?
  98. math

    solving equation z²-6z+9=4√(z²-6z-6) following roots are obtained
  99. math

    how do you figure out square roots of decimal numbers?
  100. Algebra

    how do I discuss or describe the nature of the roots for this equation: 3x^2 - 5x = 2