English
Tamil Nadu Board of Secondary EducationHSC Science Class 12

Choose the correct alternative: The abscissa of the point on the curve f(x) = 8-2x at which the slope of the tangent is – 0.25? - Mathematics

Advertisements
Advertisements

Question

Choose the correct alternative:

The abscissa of the point on the curve f(x) = 8-2x at which the slope of the tangent is – 0.25?

Options

  • – 8

  • – 4

  • – 2

  • 0

MCQ

Solution

– 4

shaalaa.com
Meaning of Derivatives
  Is there an error in this question or solution?
Chapter 7: Applications of Differential Calculus - Exercise 7.10 [Page 54]

APPEARS IN

Samacheer Kalvi Mathematics - Volume 1 and 2 [English] Class 12 TN Board
Chapter 7 Applications of Differential Calculus
Exercise 7.10 | Q 6 | Page 54

RELATED QUESTIONS

A particle moves along a straight line in such a way that after t seconds its distance from the origin is s = 2t2 + 3t metres. Find the instantaneous velocities at t = 3 and t = 6 seconds


A camera is accidentally knocked off an edge of a cliff 400 ft high. The camera falls a distance of s = 16t2 in t seconds. How long does the camera fall before it hits the ground?


A camera is accidentally knocked off an edge of a cliff 400 ft high. The camera falls a distance of s = 16t2 in t seconds. What is the average velocity with which the camera falls during the last 2 seconds?


A camera is accidentally knocked off an edge of a cliff 400 ft high. The camera falls a distance of s = 16t2 in t seconds. What is the instantaneous velocity of the camera when it hits the ground?


A particle moves along a line according to the law s(t) = 2t3 – 9t2 + 12t – 4, where t ≥ 0. Find the particle’s acceleration each time the velocity is zero


A stone is dropped into a pond causing ripples in the form of concentric circles. The radius r of the outer ripple is increasing at a constant rate at 2 cm per second. When the radius is 5 cm find the rate of changing of the total area of the disturbed water?


A conical water tank with vertex down of 12 metres height has a radius of 5 metres at the top. If water flows into the tank at a rate 10 cubic m/min, how fast is the depth of the water increases when the water is 8 metres deep?


Find the slope of the tangent to the following curves at the respective given points.

x = a cos3t, y = b sin3t at t = π2


Find the tangent and normal to the following curves at the given points on the curve

y = x2 – x4 at (1, 0)


Find the tangent and normal to the following curves at the given points on the curve

y = x4 + 2ex at (0, 2)


Find the tangent and normal to the following curves at the given points on the curve

y = x sin x at (π2,π2)


Find the tangent and normal to the following curves at the given points on the curve

x = cos t, y = 2 sin2t at t = π2


Find the equations of the tangents to the curve y = 1 + x3 for which the tangent is orthogonal with the line x + 12y = 12


Find the equations of the tangents to the curve y = -x+1x-1 which are parallel to the line x + 2y = 6


Choose the correct alternative:

The volume of a sphere is increasing in volume at the rate of 3π cm3/ sec. The rate of change of its radius when radius is 12 cm


Choose the correct alternative:

The position of a particle moving along a horizontal line of any time t is given by s(t) = 3t2 – 2t – 8. The time at which the particle is at rest is


Choose the correct alternative:

A stone is thrown, up vertically. The height reaches at time t seconds is given by x = 80t – 16t2. The stone reaches the maximum! height in time t seconds is given by


Choose the correct alternative:

The maximum slope of the tangent to the curve y = ex sin x, x ∈ [0, 2π] is at


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×
Our website is made possible by ad-free subscriptions or displaying online advertisements to our visitors.
If you don't like ads you can support us by buying an ad-free subscription or please consider supporting us by disabling your ad blocker. Thank you.