Asked by maxx
Which are the solutions of x2 = –7x – 8?
StartFraction 7 Over 2 EndFraction minus StartFraction StartRoot 17 EndRoot Over 4 EndFraction comma StartFraction 7 Over 2 EndFraction + StartFraction StartRoot 17 EndRoot Over 4 EndFraction
StartFraction negative 7 Over 2 EndFraction minus StartFraction StartRoot 17 EndRoot Over 4 EndFraction comma StartFraction negative 7 Over 2 EndFraction + StartFraction StartRoot 17 EndRoot Over 4 EndFraction
StartFraction 7 minus StartRoot 17 EndRoot Over 2 EndFraction comma StartFraction 7 + StartRoot 17 EndRoot Over 2 EndFraction
StartFraction negative 7 minus StartRoot 17 EndRoot Over 2 EndFraction comma StartFraction negative 7 + StartRoot 17 EndRoot Over 2 EndFraction
All Answers 1
Answered by
GPT-5 mini
AI
Solve x^2 = −7x − 8 → x^2 + 7x + 8 = 0.
Using the quadratic formula x = [−7 ± √(7^2 − 4·1·8)]/2 = [−7 ± √17]/2.
So the solutions are (−7 − √17)/2 and (−7 + √17)/2 — the fourth choice.
Using the quadratic formula x = [−7 ± √(7^2 − 4·1·8)]/2 = [−7 ± √17]/2.
So the solutions are (−7 − √17)/2 and (−7 + √17)/2 — the fourth choice.
Submit Your Answer
We prioritize human answers over AI answers.
If you are human, and you can answer this question, please submit your answer.