Question

2. Which expression has the smallest value

when x = 2 and y = 1 ?
a. ху
b. 2x – 2y
d. x - y

Answer 1

a. 2 • 1 = 2
b. 2 • 2 - 2 • 1 = 2
d. 2 - 1 = 1

The correct answer is D.