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Do you know zero? Rational Function Review

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Do you know zero? To find an x-intercept APut in 0 for x BFind the x-value that makes only the top equal 0 CFind the x-value that makes only the bottom equal 0 DFind the x-value that makes both the top and bottom equal 0

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Do you know zero? To find the y-intercept APut in 0 for x BFind the x-value that makes only the top equal 0 CFind the x-value that makes only the bottom equal 0 DFind the x-value that makes both the top and bottom equal 0

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Do you know zero? To find a hole APut in 0 for x BFind the x-value that makes only the top equal 0 CFind the x-value that makes only the bottom equal 0 DFind the x-value that makes both the top and bottom equal 0

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Do you know zero? To find a vertical asymptote APut in 0 for x BFind the x-value that makes only the top equal 0 CFind the x-value that makes only the bottom equal 0 DFind the x-value that makes both the top and bottom equal 0

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Do you know zero? The y-value you get when you put in 0 for x. AX-intercept BY-intercept CHole DVertical Asymptote

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Do you know zero? The x-value where only the numerator is equal to zero. AX-intercept BY-intercept CHole DVertical Asymptote

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Do you know zero? The x-value where both the numerator and denominator are equal to zero. AX-intercept BY-intercept CHole DVertical Asymptote

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Do you know zero? The x-value where only the denominator is equal to zero. AX-intercept BY-intercept CHole DVertical Asymptote

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What is happening? When x = -2. When x = 0. When x = -3 When x = 7 AX-intercept BY-intercept CHole DVertical Asymptote

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Use your knowledge of nothing Find the x-intercept

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Use your knowledge of nothing Find the y-intercept

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Use your knowledge of nothing Find the x value of the hole

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Use your knowledge of nothing Find the x value of the vertical asymptote

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Class Work Find the real zeros by factoring. P(x) = x4 – 2x3 – 8x + 16

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