Algebra: what is Y-intercept. Please show work

label Algebra
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May 5th, 2015

2(x-5)^2-49 can be writen as, 2(x^2-10x+25)-49

=2x^2-20x+50 is the equation of the curve. to find the Y-intercept, the value of x=0. because along the Y axis x has a zero value.

therefore, y-intercept=2(0)^2-20(0)+50

y-intercept=0-0+50

y-intercept=50

May 5th, 2015

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May 5th, 2015
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