In a function of the form y= ax^2 +bx + c which of the following is always true? a. if a is positive, the parabola will have a minimum value. b. if c is zero, the parabola will be centered around the y-axis. c. if c is positive, there won't be any x-intercepts. d. if c is negative, there won't be a y-intercept.

none of the above.

for one of the equations to be used in the process, there has to be a term in the equation since squared is .

since there is only a term in the first equation, we cannot derive a from completing the square.

solving with completing the square

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