Saturday, January 14, 2012

Hello 11th Grade Students!

Welcome to second semester! There's only three more months until your ACT exam. Here's a question to prepare you for the math test.


In the standard (x,y) coordinate plane, the graph of (x – 2)2 + (y + 4)2 = 9 is a circle.
What is the area enclosed by this circle, expressed in square coordinate units?


A. 3
B. 4
C. 6
D. 9
E. 16