Answer:
(a) upward
(b) (-2, -4)
(c) -2 = x
(d) x-intercept(s): (-6, 0), (2, 0)
y-intercept: (0, -3)
Explanation:
(a) It clearly opens up at a minimum point of -4.
(b) It is the centre point of your parabola.
(c) Take the x-coordinate of your vertex and set it equal to x.
(d) X-intercepts [Zeros, or roots] are where they intersect the x-axis on both ends of the parabola, and according to the graph, they intersect the x-axis at the above answers.
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