passpadi

2009

Mathematics

JAMB

If Q is, [] then |Q| is?

A.

-50

B.

-22

C.

22

D.

50

Correct Answer: 22

Explanation

|Q| = 9x4 - (-2x7) = 36 - 14 = 22

|Q| = 9x4 - (-2x7) = 36 - 14 = 22
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