Hey can you show me how to find the x- Intercepts for cos(y+Pi) = x^2 -x - 7 I tried a bunch of different things but I can't figure it out: the answer is supposed to be 3 (I like the faces )
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Originally Posted by Mudd_101 Hey can you show me how to find the x- Intercepts for cos(y+Pi) = x^2 -x - 7 I tried a bunch of different things but I can't figure it out: the answer is supposed to be 3 (I like the faces ) as always, x-intercepts occur where y = 0. so plug in y = 0, we have just solve this quadratic equation for your intercepts (there are 2 answers)
Originally Posted by Mudd_101 Hey can you show me how to find the x- Intercepts for cos(y+Pi) = x^2 -x - 7 I tried a bunch of different things but I can't figure it out: the answer is supposed to be 3 (I like the faces ) It intercepts the x axis when y is zero!
OO thanks (silly me put x as 0)
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