The entire graph of the equation `y=x^2+k x-x+9` in strictly above the `x-axis` if and only if (a)`k<7` (b) `-5 < k < 7` (c)` k > -5` (d) none of these

The entire graph of the equation y=x^2+k x-x+9 in strictly above the x-a xi s if and only if k -5 (d) none of these

The entire graph of the equation y=x^2+k x-x+9 in strictly above the x -axis if and only if (a) k<7 (b) -5 lt k lt 7 (c). k gt -5 (d) none of these

The graph of the linear equation 2x-y=4 cuts x-axis at

The graph of the function y=16x^(2)+8(a+2)x-3a-2 is strictly above the x - axis, then number of integral velues of 'a' is

The graph of the function y=16x^2+8(a+5)x-7a-5 is strictly above the x axis, then 'a' must satisfy the inequality

The graph of the function y=16x^2+8(a+5)x-7a-5 is strictly above the x axis, then 'a' must satisfy the inequality

On what point the graph of linear equation 3x+2y =9 will intersect x-axis?

The probability that the graph of y=16x^2 +8(a +5)x-7a-5=0, is strictly above the x-axis, If a in [-20,0]

If the graphs of x^(2) = 4(y+9) and x + ky = 6 intersect on the x-axis , then k =

Equation of a straight line passing through the origin and making with x-axis an angle twice the size of the angle made by the line y=0. 2 x with the x-axis, is : (a) y=0. 4x (b) y=(5/(12))x (c) 6y-5x=0 (d) None of these