Waec Mathematics Past Questions For Year 2022

Question 16

Make t the subject of k = \(m \sqrt \frac{t-p}{r}\)

waec 2022

• A. \(\frac{k^2r + p}{m^2}\)
• B. \(\frac{k^2r + pm^2}{m^2}\)
• C. \(\frac{k^2r - p}{m^2}\)
• D. \(\frac{k^2r + p^2}{m^2}\)

Question 17

.Find the value of x such that \(\frac{1}{x}\) +\(\frac{4}{3x}\) - \(\frac{5}{6x}\) + 1 = 0

waec 2022

• A.  \(\frac{1}{6}\)
• B.  \(\frac{1}{4}\)
• C.  \(\frac{-3}{2}\)
• D.  \(\frac{-7}{6}\)

Question 18

What value of p will make (x\(^2\) - 4x + p) a perfect square?

waec 2022

• A. -2
• B. 16
• C. 4
• D. -8

Question 19

Consider the statements:

p: Stephen is intelligent

q: Stephen is good at Mathematics

If p⇒q, which of the following is a valid conclusion?

waec 2022

• A. If Stephen is good at Mathematics, then he is intelligent
• B. If Stephen is not good at Mathematics, then he is not intelligent
• C. If Stephen is not intelligent, then he is not good at Mathematics
• D. If Stephen is not good at Mathematics, then he is intelligent

Question 20

In the diagram, ∠ZWZY and WYX are right angles. Find the perimeter of WXYZ.

waec 2022

• A. 30cm
• B. 32cm
• C. 35cm
• D. 37cm