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Do you need to foil when finding the y intercept of a function?
Wiki User
∙ 11y ago
No, you do not, you change all of the x's in the function to zeros and mulitply. Whatever you are left with that is equal to y is the answer, such as.
y= x^2 + 4x+5 y= 0^2 + 4(0) + 5
y=5 the answer can also equal zero if you do not have a y intercept.
Wiki User
∙ 11y ago
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