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  • 25-01-2022
  • Mathematics
contestada

f(x) =ax^2-x-3 discriminant of 61

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mathstudent55
mathstudent55 mathstudent55
  • 25-01-2022

Answer:

a = 5

Step-by-step explanation:

For the quadratic equation

ax² + bx + c = 0,

the discriminant is

b² - 4ac

Here we have ax² - x - 3, so we have

a = a

b = -1

c = -3

b² - 4ac = 61

(-1)² - 4(a)(-3) = 61

1 + 12a = 61

12a = 60

a = 5

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