Question

Use the quadratic formula to solve x2 + 7x + 8 = 0. Estimate irrational solutions to the nearest tenth.

A.) {–12, 5}


B.) {–11.1, –2.9}


C.) {–5.6, –1.4}


D.) {–3.9, 12.1}

I did the formula to the best I could, and the best answer that seems to fit is 3.9 and 12.1