For each quadratic function

MATHEMATICS · Multi-part · CBSE · Mathematics · Quadratic Equations · Quadratic Equations

Problem

For each quadratic function, find the values of

k

for which the function: i cuts the

x

-axis twice ii touches the

x

-axis iii misses the

x

-axis. (a)

y = 2x^2 + kx - k

(b)

y = kx^2 - 2x + k

(c)

y = x^2 + (k + 2)x + 4