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zmey [24]
3 years ago
12

Where does the graph of x2 - x - 2 = y cross the x-axis?

Mathematics
1 answer:
garik1379 [7]3 years ago
6 0
It crosses the x axis when y = 0.
so we need to solve x^2 - x - 2 = 0.
This is done as follows:
x^2-x-2=0
(x-2)(x+1) = 0
Therefore x = 2 or x = -1.

So the two coordinates are (2,0) and (-1,0) the answer is A
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