MyaaaMoney
23.06.2019 •
Mathematics
Me drag the labels to the correct locations on the table. not all tiles will be used. match each attribute of a parabola to the correct quadratic function.
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Ответ:
1. C, E, G
2. A, D, H
Step-by-step explanation:
Compare each equation to the form ...
f(x) = 1/(4p)(x -h)^2 +k
In this form, p is the distance from the vertex to the focus (positive is up), and (h, k) is the location of the vertex. The focus is (h, k+p); the directrix is y=k-p.
1. The equation tells us ...
(h, k) = (1, 4)
1/(4p) = (-1) . . . ⇒ . . . p = -1/4
So, we have ...
vertex: (1, 4) . . . . . . . . (G)focus: (1, 3 3/4) . . . . . (C)directrix: y=4 1/4 . . . . (E)--
2. The equation tells us ...
(h, k) = (-1, 4)
1/(4p) = 2 . . . ⇒ . . . p = 1/8
So, we have ...
vertex: (-1, 4) . . . . . . . . (A)focus: (-1, 4 1/8) . . . . . . (H)directrix: y = 3 7/8 . . . (D)Ответ:
Need a picture of the problem!
Step-by-step explanation: