The graph of the function y = x2 + 4 and a straight ...
The graph of the function y = x2 + 4 and a straight line PQ are drawn to solve the equation x2 - 3x + 2 = 0. What is the equation of PQ?
y = 3x - 2
y = 3x + 2
y = 3x - 4
y = 3x + 4
Correct answer is B
x2 + 4 = x2 - 3x + 2
3x + 2 = y
Find the gradient of the line joining the points (2, -3) and 2, 5) ...
Find the capacity in liters of a cylindrical well of radius 1 meter and depth 14 meters [π = 22/...
If m * n = n - (m+2) for any real number m and n find the value of 3*(-5)? ...
A curve is such that when y = 0, x = -2 or x = 3. Find the equation of the curve. ...