If x is a real number, what are the solutions to the quadratic: 4*x^2- 4*x+1 = 0

You first calculate the delta of the equation: delta = b^2-4ac = 16 - 16 = 0 => the solution is double.x1,2 = (-b±sqrt(delta))/2/a = 4/2/4 = 1/2 which is real.so the solutions are 1/2 and 1/2.

MI

Related Maths A Level answers

All answers ▸

Find dy/dx from the equation 2xy + 3x^2 = 4y


Given that y = 5x(3) + 7x + 3, find A) dy/dx B) d2y/dx2


What is the smallest possible value of the integral ∫(x-a)^2 dx between 0 and 1 as a varies?


A curve has equation y = 6ln(x) + x^2 -8x + 3. Find the exact values of the stationary points.