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The x-intercept will happen when y equals zero. So we can say:

x2 - 4x + 4 = 0

(x - 2)2 = 0

x - 2 = 0

x = 2

So the x-intercept happens at (2, 0). To verify, just plug 2 into the original equation:

y = 22 - 4(2) + 4

y = 4 - 8 + 4

y = 0

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13y ago

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