The maximum value of $y = 6 x - x^{2} - 5$ is

5

No worries! We‘ve got your back. Try BYJU‘S free classes today!

4

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

10

No worries! We‘ve got your back. Try BYJU‘S free classes today!

7

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

The correct option is B $4$
Maximum value of $y$
$= \frac{4 a c - b^{2}}{4 a}$
$= \frac{4 (- 1) (- 5) - 6^{2}}{- 4} = 4$

Suggest Corrections

Similar questions

y = 6 x - x^{2} - 5

y = x^{2} - 6 x + 9

y

x

2

5

y = - x^{2} + 6 x - 5

x -

x

4 - 6 x - x^{2}

Maximum value of expression f(x) = - $x^{2}$ + 6x + 7 occur at x = __

Join BYJU'S Learning Program