Waec Mathematics Past Questions For Year 2016

Question 11

Given that 2x + y = 7 and 3x - 2y = 3, by how much is 7x greater than 10?

waec 2016

• A. 1
• B. 3
• C. 7
• D. 17

Question 12

Find the values of y for which the expression \(\frac{y^2 - 9y + 18}{y^2 + 4y - 21}\) is undefined

waec 2016

• A. 6, -7
• B. 3, -6
• C. 3, -7
• D. -3, -7

Question 13

The roots of a quadratic equation are \(\frac{4}{3}\) and -\(\frac{3}{7}\). Find the equation

waec 2016

• A. 21x² - 19x - 12 = 0
• B. 21x² + 37x - 12 = 0
• C. 21x² - x + 12 = 0
• D. 21x² + 7x - 4 = 0

Question 14

A straight line passes through the point P(1,2) and Q

(5,8). Calculate the length PQ

waec 2016

• A. \(4\sqrt{11}\)
• B. \(4\sqrt{10}\)
• C. \(2\sqrt{17}\)
• D. \(2\sqrt{13}\)

Question 15

A straight line passes through the points P(1,2) and Q(5,8). Calculate the gradient of the line PQ

waec 2016

• A. \(\frac{3}{5}\)
• B. \(\frac{2}{3}\)
• C. \(\frac{3}{2}\)
• D. \(\frac{5}{3}\)