SOLUTION: Given f(x) = –2(x - 3)^2 + 6, explain how you know:
a) the direction of opening for the parabola.
b)the number of zeroes this parabola has.
Algebra ->
Graphs
-> SOLUTION: Given f(x) = –2(x - 3)^2 + 6, explain how you know:
a) the direction of opening for the parabola.
b)the number of zeroes this parabola has.
Log On
Question 1091036: Given f(x) = –2(x - 3)^2 + 6, explain how you know:
a) the direction of opening for the parabola.
b)the number of zeroes this parabola has. Answer by josgarithmetic(39625) (Show Source):
You can put this solution on YOUR website! ------------------------------------
f(x) = –2(x - 3)^2 + 6,
-----------------------------------
Opens downward, and vertex is a maximum point. The factor tells this. Factor is negative.
Two zeros. Vertex being at (3,6) and ABOVE the x-axis, and parabola opening DOWNWARD makes the graph cross the x-axis in two places.