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gtnhenbr [62]
3 years ago
14

Y=-9x^2+571x-3884 find x

Mathematics
2 answers:
diamong [38]3 years ago
6 0

Answer:

x = (571 ± √186217) / 18

x ≈ 7.74840677368558702303.. or 55.69603767075885742140..

x ≈ 7.75 or 55.70

Step-by-step explanation:

y = -9x² + 571x – 3884.

x = (-b ± √b² – 4ac) / 2a

x =

(-(571) ± √((571)² – 4((-9) × (-3884))) / 2(-9)) →

(-571 ± √(326041 – 4(34956))) / -18) →

(-571 ± √(326041 – 139824)) / -18) →

(-571 ± √(186217)) / -18 →

(571 ± √186217) / 18 →

xz_007 [3.2K]3 years ago
3 0

Answer:

I'm pretty sure it's either 3.1 or 4.1

Step-by-step explanation:

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