Complete the square so that the left side of x2 + 8x − 3 = 0 becomes a binomial squared.

The binomial squared would be (x-4)^2=19.

the rocket cannot penetrate the ground, in a contextual sense, therefore the roots of this equation should be the domain of this function. i'll let you find the roots of this quadratic equation (hint: use the quadratic formula:  

1- c

2-a

step-by-step explanation:

mark brainliest!