General Knowledge Quiz for Thursday, 12 March 2009
A new general knowledge quiz is available every day. Try today's quiz or work through our archive of daily and themed quizzes.
Question 1: Which of these equations accurately represents the relationship between the square of a number and the product of one less and one greater than that number?
A
B
x2 = (x-1)(x+1)
(x2)-1 = (x-1)(x+1)
C
(x2)+1 = (x-1)(x+1)
D
x2 = (x-1)(x+1)-1