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rachael724

Junior Member
Joined
Sep 14, 2005
Messages
95
I am working on this problem:

Determine whether (2, - 4) and (4, - 5) are solutions to the equation 19x + 2y2 = 70.

I am a bit stuck but I think the answer is Only (4, -5) is a solution am I right?
 

happy

Full Member
Joined
Oct 30, 2004
Messages
466
Determine whether (2, - 4) and (4, - 5) are solutions to the equation 19x + 2y2 = 70.

Let's plug them in and see.

(2,-4): 38+32=70 yes
(4,-5): 76+50=126 nope
 

rachael724

Junior Member
Joined
Sep 14, 2005
Messages
95
Thanks happy!
 
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