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18 votes
18 votes
Find the quadratic equation

9y {}^(2) - 12y - 14 = 0


User Jonathan Watmough
by
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2 Answers

12 votes
12 votes

Answer:

Solve the equation for y by finding a,b, and c of the quadratic then applying the quadratic formula.

Desimal Form: 2.08088022…,−0.74754689…

the guy on top of me is right I just gave you the desimal form he/she give you the rest

Explanation:

User Ajay Sharma
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0 votes
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9y^2-12y-14=0\\D=(-12)^2-4*9*(-14)=144+504=648=(\pm18√(2))^2 \\\\y_1=(12+18√(2) )/(18) =(2+3√(2) )/(3) \\\\y_2=(12-18√(2) )/(18) =(2-3√(2) )/(3)

User Bpereira
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