This is the 2016 Grade 10 Math Challenge Elimination Level Questions with Answers – Part 1 with answers. Questions in the previous years can be accessed on the Past Tests page and all questions can be found in the All Posts page.
26.) Suppose an object is dropped from the roof of a very tall building. After t seconds, its height from the ground is given by where h is measured in feet. How long does it take to reach ground level?
27.) In AC= 10cm, CD = 7 cm, and CE = 9 cm. Find BC.
28.) Find a polynomial P(x) of degree 3 that has zeroes -2, 0, and 7, and the coefficient of x² is 10.
29.) Find the equation (in the form ax + by = c) of the perpendicular bisector of the line segment joining the points (1, 4) and (7, 2).
30.) The sides of a polygon are 3, 4, 5, 6, and 7 cm. Find the perimeter of a similar polygon, if the side corresponding to 5 cm is 9 cm long.Continue reading