# Quadratic equation - high school - math problems

#### Number of problems found: 251

• Equation 23 Find value of unknown x in equation: x+3/x+1=5 (problem finding x) By introducing a new variable solve biquadratic equation: ?
• Hyperbola equation Find the hyperbola equation with the center of S [0; 0], passing through the points: A [5; 3] B [8; -10]
• Domains of functions F(x)=x2-7x and g(x)=5-x2 Domain of (fg)(x) is. .. . . Domain of (f/g)(x). ..
• Fraction For what x expression ? equals zero? Which of the points belong function f:y= 2x2- 3x + 1 : A(-2, 15) B (3,10) C (1,4)
• VCP equation Solve the following equation with variations, combinations and permutations: 4 V(2,x)-3 C(2,x+ 1) - x P(2) = 0
• Diagonals What x-gon has 54 diagonals?
• Equation Eequation f(x) = 0 has roots x1 = 64, x2 = 100, x3 = 25, x4 = 49. How many roots have equation f(x2) = 0 ?
• Variable Find variable P: PP plus P x P plus P = 160
• Parabola 3 Find the equation of a parabola with its focus at (0,2) and its vertex at the origin. ?
• Non linear eqs Solve the system of non-linear equations: 3x2-3x-y=-2 -6x2-x-y=-7
• Find the 20 Find the product and the sum of the roots of x2 + 3x - 9 = 0
• Combinations From how many elements we can create 990 combinations 2nd class without repeating?
• Circle From the equation of a circle: ? Calculate the coordinates of the center of the circle S[x0, y0] and radius of the circle r.
• Staircase On a staircase 3.6 meters high, the number of steps would increase by 3 if the height of one step decreased by 4 cm. How high are the stairs?
• Eq with reciprocal Solve given equation with reciprocal member: a-6/a+10=4/8
• Combinations How many elements can form six times more combinations fourth class than combination of the second class?
• 2nd class combinations From how many elements you can create 4560 combinations of the second class?
• Equation of circle 2 Find the equation of a circle which touches the axis of y at a distance 4 from the origin and cuts off an intercept of length 6 on the axis x.

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