Tính thể tích vật thể tròn xoay tạo bởi đồ thị x^2-2x-4y^2-4y = 0 (nếu có).

Mar 18, 2014 ... Find all local maximum and minimum values and any saddle points of the following function: f(x,y) = 9 - 2x + 4y - x^2 -4y^2 Free math problem solver answers your algebra, geometry, trigonometry, calculus, and statistics homework questions with step-by-step explanations, ... 5x2 + 10 = 2x2 - 12x - 2 (Subtract 2x2, and add 12x and 2 to both sides.) ... Input the denominator (x – 4)(x – 2)/(x – 2) = (x – 4) = 0, so x = 4. Report ... Substitute (y−2)2−4 ( y - 2 ) 2 - 4 for y2−4y y 2 - 4 y in the equation x2+y2−2x−4y=4 x 2 + y 2 - 2 x - 4 y = 4 . Substitution Method calculator. Solve linear equation in two variables 1. 12x + 5y = 7 and 2x + 3y - 5 = 0 2. x + y = 2 and 2x + 3y = 4 May 30, 2016 ... Put the equation into standard form to find it to be a circle with radius 3 and center (−1,2). Explanation: In order to put the equation of a conic section ... In this case, we multiply the first equation by 4 to give 12x+4y=28.Then minus the 2nd equation from this to give 10x+0y=20.Now divide by 10 to get x=2. Feb 3, 2021 ... 4x + 2y = 6. −2x + 4y = 2 for the unknown pair (x, y) ∈ R2. 5. Page 6. 1.6 Bilinear and Quadratic Forms. Andrew ID: jgkerr. Exercise 17. A ... Apr 17, 2025 ... ... ( x ) and ( y ). Steps to Rewrite the Equation. Rearrange the equation: [ x^2 - 2x - 4y^2 - 8y = 7 ]. Complete the square for ( x ): Take the ... For each of the exponential functions, convert it to the form y = Aekx. (a) y = 5x Solution: y = e(ln 5)x. (b) y = 52x Solution: y = e(2 ln 5)x.