Question 6
If the straight line y=k - 5x meets the curve xy = 3 in two distinct points then
the value of k could be

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15-02-2021
Mathematics

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Question 6
If the straight line y=k - 5x meets the curve xy = 3 in two distinct points then
the value of k could be

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stressedstudent99 stressedstudent99 · Answer 1 · 2021-02-15T08:41:04+01:00

stressedstudent99 stressedstudent99

15-02-2021

Sub y=k-5x into xy=3
x(k-5x)=3
kx- 5kx =3
kx- 5kx-3 = 0
Discriminant > 0
(k-5k)^2 -4(0)(3) >0
(k-5k)^2 > 0
K^2 -10k +25k^2 > 0
26k^2 - 10k >0
13k^2 -5k >0
Discriminant<0
(-5k)^2 - 4(13k)(0)<0
25k^2<0
-5< k<5

I’m not really sure, but give it a try !

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Question 6 If the straight line y=k - 5x meets the curve xy = 3 in two distinct points then the value of k could be

Respuesta :

Otras preguntas

Question 6
If the straight line y=k - 5x meets the curve xy = 3 in two distinct points then
the value of k could be