Asked by carter

The system 3x-y+4+4=0 and x^2-8y-1=0 will have
A. 0 real solutions
B. 1 real solutions
C. 2 real solutions
D. an infinite number of real solutions
Answered by oobleck
I suspect a typo, else why the 4+4 ?
in any case, just substitute for y and then check the discriminant of the quadratic in x.
Answered by Conlan
The answer is C because (25.304,79.912) and (-1.304,0.088)

tip: to check this go on Geobro or Desmos. ;)
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