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Answers by Grady K.

To solve for the y-intercept of an equation, we need to set the x-value equal to 0 and solve for the y value.  The resultant y-value is the value where the function crosses the y-axis.  By setting x=0, we get y=(1/2)*(0)^2 = 0.  The y-intercept of y=(1/2)x^2 is 0. Was this your...