Home
Class 12
MATHS
If (-2,7) is the highest point on the ...

If (-2,7) is the highest point on the graph of `y=-2 x^2-4 a x+k`, then |k| equals

Text Solution

Verified by Experts

The correct Answer is:
1
Promotional Banner

Topper's Solved these Questions

  • PARABOLA

    CENGAGE|Exercise Matching Column Type|1 Videos

  • PAIR OF STRAIGHT LINES

    CENGAGE|Exercise Exercise (Numerical)|5 Videos

  • PERMUTATION AND COMBINATION

    CENGAGE|Exercise Question Bank|4 Videos

Similar Questions

Explore conceptually related problems

Draw the graphs of 2x+y = 10 and x+y=7 .

If the line 2x + y = k passes through the point which divides the line segment joining the points (1, 1) and (2, 4) in the ratio 3 : 2, then k equals

If (a, 3) is point lying on graph of equation 5x+2y=-4 then a = ........

From the graph of y=x^(2)-4 , draw the graph of y=(1)/(x^(2)-4) .

Find the slopes of the tangent lines to the graph of x^2 + y^2=4 at the points corresponding to x=1 .

Draw the graph of y=x^(2)-4x+4 and hence solve x^(2)-4x+4=0

If f(2x+3y, 2x-7y)=20x, then f(x,y) equals :

The locus of a point on the variable parabola y^2=4a x , whose distance from the focus is always equal to k , is equal to ( a is parameter) (a) 4x^2+y^2-4k x=0 (b) x^2+y^2-4k x=0 (c) 2x^2+4y^2-9k x=0 (d) 4x^2-y^2+4k x=0

If ∫ 1−4 x ​ 2 x ​ dx=Ksin −1 (2 x )+C, then K is equal to