Question

is X=-1
root of the quadratic
equation x2 + 3x - 4 = 0 ?
​

Answer 1

Answer:

no -1 is not the root of the given quadratic equation

Step-by-step explanation:

apply x=-1 to the equation

we get (-1)2 + 3(-1) -4=0

1 - 3 - 4=0

-2 -4 = 0

-6=0

therefore we can conclude that x=-1 is not the root of quadratic equation...

Hope it helps!!!

Answer 2

Answer:

Please clear the question. X = -1 is given but you want to get answer the quadratic equation.