# How many different ordered pairs?

• Nov 10th 2008, 09:39 PM
magentarita
How many different ordered pairs?
Draw y = x^2 + 2x -3 on the interval [-4, 2]. On the same xy-plane, draw (x + 1)^2 + (y + 4)^2 = 16. How many different ordered pairs satisfy both graphed equations?
• Nov 10th 2008, 09:52 PM
Chris L T521
Quote:

Originally Posted by magentarita
Draw y = x^2 + 2x -3 on the interval [-4, 2]. On the same xy-plane, draw (x + 1)^2 + (y + 4)^2 = 16. How many different ordered pairs satisfy both graphed equations?

You should have enough info now to answer the question:

http://img.photobucket.com/albums/v4.../parabcirc.jpg

--Chris
• Nov 11th 2008, 10:05 PM
magentarita
is the...............
Quote:

Originally Posted by Chris L T521
You should have enough info now to answer the question:

http://img.photobucket.com/albums/v4.../parabcirc.jpg

--Chris

• Nov 11th 2008, 10:58 PM
Chris L T521
Quote:

Originally Posted by magentarita

Yes. There are two points [ordered pairs].

--Chris
• Nov 12th 2008, 05:37 PM
magentarita
ok........
Quote:

Originally Posted by Chris L T521
Yes. There are two points [ordered pairs].

--Chris

Thanks