Question

Find the zeros of y=x2-x-6 by graph

Answer 1

Answer:

See the picture

Step-by-step explanation:

${x}^{2} - x - 6 = 0 \\ {x}^{2} - 3x + 2x - 6 = 0 \\ x(x - 3) + 2(x - 3) = 0\\ (x - 3)(x + 2) = 0 \\ (x - 3) = 0 \: and \: (x + 2) = 0 \\ x = 3 \: and \: x = - 2 \: ans.$