Solve each of the equations, giving your answers correct to $2$ decimal places. \({{x}^{2}}-3x-1=0

Question

Solve each of the equations, giving your answers correct to $2$ decimal places. ${{x}^{2}}-3x-1=0$ $3{{x}^{2}}-7x-1=0$ $-2{{x}^{2}}+5x-1=0$ $-3{{x}^{2}}+x+2=0$

Accepted Answer

(i) x = 3.30 or -0.30; (ii) x = 2.47 or -0.14; (iii) x = 2.28 or 0.22; (iv) x = -0.67 or 1.00.

Quadratic Equations: Solve Using the Quadratic Formula

Quadratic Equations: Solve Using the Quadratic Formula

Video Solution:

Solution:

Solution locked