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Find the discriminant.\newline5y26y6=05y^2 - 6y - 6 = 0

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Q. Find the discriminant.\newline5y26y6=05y^2 - 6y - 6 = 0
  1. Identify coefficients: Identify the coefficients aa, bb, and cc from the quadratic equation 5y26y6=05y^2 - 6y - 6 = 0 by comparing it to the standard form ax2+bx+c=0ax^2 + bx + c = 0. Here, a=5a = 5, b=6b = -6, and c=6c = -6.
  2. Calculate discriminant formula: Use the discriminant formula D=b24acD = b^2 - 4ac to calculate the discriminant of the quadratic equation.\newlineSubstitute the identified values into the formula: D=(6)24×5×(6)D = (-6)^2 - 4 \times 5 \times (-6).
  3. Perform calculations: Perform the calculations to find the discriminant. D=36(120)D = 36 - (-120) which simplifies to D=36+120D = 36 + 120.
  4. Find final value: Complete the calculation to find the final value of the discriminant. D=156D = 156.

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