barbfrey barbfrey

05-05-2022
Mathematics

contestada

what is the value of c so that 9x^2 + 15x + c = 0 has one rational solution

Respuesta :

Cordaey Cordaey

05-05-2022

Answer:

c=-9x^2-15x

Step-by-step explanation:

Answer Link

jsimpson11000 jsimpson11000

05-05-2022

Answer:

c = 6.25

Step-by-step explanation:

For this to occur, the discriminant of the quadratic formula must = 0

b^2 - 4ac = 0

15^2 - 4(9)(c) = 0

36c = 225

c = 6.25

Answer Link

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