Foundation January 2020 Paper 1R Q6

6

(a) Simplify \(\;3r \times 5t\) (1)
(b) Solve \(\;4x + 5 = 27\) (2)

\(P = 7w - 5y\)

(c) Find the value of \(P\) when \(\;w = 2\;\) and \(\;y = 4\) (2)

\(Q = 2u^2 - 5\)

(d) Find the value of \(Q\) when \(\;u = -3\) (2)