1.5.3 Quadratic functions

79%

a.

By completing the square, find in terms of the constant $k\,$ the roots of the equation

x^2 + kx - 6 = 0

[4]

b.

Hence find the exact roots of the equation $x^2 + 4x - 6 = 0$

[2]

79%

a.

By completing the square, find in terms of the constant $k\,$ the roots of the equation

x^2 + kx - 6 = 0

[4]

b.

Hence find the exact roots of the equation $x^2 + 4x - 6 = 0$

[2]

1.5.3 Quadratic functions Questions