Square root + equation - math problems

Number of problems found: 60

  • Completing square
    eq2_5 Solve the quadratic equation: m2=4m+20 using completing the square method
  • Square root 2
    parabola_2 If the square root of 3m2 +22 and -x = 0, and x=7, what is m?
  • Solve equation
    hrusky_2 solve equation: ?
  • Root
    root_quadrat The root of the equation ? is (equal or greater or less than zero)? ?
  • One third power
    cube-root Which equation justifies why ten to the one-third power equals the cube root of ten?
  • Unknown number 4
    ninth I think number. When I divided its square root by its 1/9, I get a number 1. What number am I thinking?
  • Biquadratic
    bikvadraticka By introducing a new variable solve biquadratic equation: ?
  • Quadratic equation
    parabola_1 Solve quadratic equation: 2x2+28x-550=0
  • Digits A, B, C
    numbers_8 For the various digits A, B, C is true: the square root of the BC is equal to the A and sum B+C is equal to A. Calculate A + 2B + 3C. (BC is a two-digit number, not a product).
  • Pure quadratic equation
    kvadrat Solve pure quadratic equation ?.
  • Square
    percent Suppose the square's sides' length decreases by a 25% decrease in the content area of 28 cm2. Determine the side length of the original square.
  • Exp
    old_calculator If ?, then n is:
  • Diagonal of the rectangle
    rectangle_1 Calculate the diagonal of the rectangle which area is 54 centimeters square and the circuit is equal to 30 cm.
  • Rectangle pool
    basen_5 Determine dimensions of open pool with a square bottom with a capacity 32 m3 to have painted/bricked walls with least amount of material.
  • Product
    floring The product of two consecutive odd numbers is 8463. What are this numbers?
  • Exponential equation
    exp Find x, if 625 ^ x = 5 The equation is exponential because the unknown is in the exponential power of 625
  • Factors
    factors Can the expression ? be factored into rational factors?
  • Garden
    garden_1 The area of a square garden is 6/4 of triangle garden with sides 56 m, 35 m, and 35 m. How many meters of fencing need to fence a square garden?
  • Geometric sequence
    cralici In the geometric sequence is a4 = 20 a9 = -160. Calculate the first member a1 and quotient q.
  • What is
    exp_growth2 What is the annual percentage increase in the city when the population has tripled in 20 years?

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