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Irvin
Mathematics
21 May, 04:02
Where are the x intercepts in 4xy+2y=9
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Mike Jimenez
21 May, 04:11
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To find an x intercept you substitute 0 for Y and solve so
4x (0) + 2 (0) = 9 (plug in)
4x=9 (simplify)
4x/4=9/4 (divide by four)
your x intercept is 2.25 (2 1/4)
You can double check by plugging your new x value into your simplified equation. (4x=9)
4 (2.25) = 9
9=9
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