Mathematics Past Questions and Answers

For what values of x is the curve y = \(\frac{x^2 + 3}{x + 4}\) decreasing?

The solutions of x2 - 2x - 1 = 0 are the points of intersection of two graphs. if one of the graphs is y = 2 + x - x2, find the second graph

If the sum of the 8th and 9th terms of an arithmetic progression is 72 and the 4th term is -6, find the common difference

If 7 and 189 are the first and fourth terms of geometric progression respectively, find the sum of the first three terms of the progression

Find correct to one decimal place, 0.24633 \(\div\) 0.0306