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2y^2-5y=12. can someone help me solve the quadratic equation using the quadratic formula.

User Knes
by
8.9k points

1 Answer

7 votes

Answer:

  1. y = 4
  2. y = -3/2 = -1.5

Explanation:

According to quadratic formula:

y = - b ± √ b²- 4ac / 2a

y = - (-5) ± √ -5²- 4(2x-12) / 2(2)

y = 5 ± √ 25 - 4(-24) / 4

y = 5 ± √ 25 - (-96) / 4

y = 5 ± √ 121 / 4

y = 5 ± √ (11)² / 4

y = 5 ± 11 / 4

Now either,

y = 5 + 11 / 4

y = 4

Or,

y = 5 - 11 / 4

y = -3/2 = -1.5

User PsychoX
by
8.3k points

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