examday

Community mocks

tmua.fyi Mock Paper 2 (2) · Q10

Paper 2Powers & logarithms

How many ordered pairs (x,y)(x,y) of positive real numbers satisfy both log⁡2x+log⁡2y=5\log_2 x+\log_2 y=5 and x+y=12x+y=12?

A22
B00
C11
D33
E44

Read the questions freely. Sign in to check your answer, see the worked solution and save your progress.

Sign in to check your answerPractise the whole paper →