Question

(ii) Is x = -1 a root of the quadratic equation x2 -- 3X -4 = 0?​

Answer 1

Answer:

0

Step-by-step explanation:

x^2-3x-4=0

(-1)^2-(-1×3)-4=0

1+3-4=0

4-4=0

Answer 2

Answer:

yes,x=-1 is a root of quadratic equation

${x}^{2} - 3x - 4 = 0$