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Question 1

shift this parabola two units down on the x-axis

y = x^2

Answer 1

y = (x-h)^2 +k

where negative values of h shift the parabola horizontally leftwards, and negative values of k shift the p vertically downwards.

y=(x+2)^2

Question 2

shift this parabola two units up on the y-axis

y = x^2

Answer 2

y = (x-h)^2 +k

where negative values of h shift the parabola horizontally leftwards, and negative values of k shift the p vertically downwards.

y = (x^2) + 2

Question 3

is 0 a positive integer

Answer 3

no