Question

Draw the graphs of (i) $y=x^2-x-6$y=x2−x−6 (ii) $y=6-x-x^2$ and find zeroes in each case. What do you notice?

Answer 1

Given,

$y=x^2-x-6$

$x^2-x-6=0$

$\to (x-3)(x+2)=0$

$\to x=-2,3$

$y=6-x-x^2$

$6-x-x^2=0$

$\to (x+3)(x-2)=0$

$\to x=-3,2$