oldless504
15.10.2019 •
Mathematics
How does the graph of y = a(x – h)^2 + k change if the value of h is doubled?
a. the vertex of the graph moves to a point twice as far from the x-axis.
b. the vertex of the graph moves to a point twice as far from the y-axis.
c. the vertex of the graph moves to a point half as far from the x-axis.
d. the vertex of the graph moves to a point half as far from the y-axis
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Ответ:
Option B : The vertex of the graph moves to a point twice as far from theyx-axis.
Step-by-step explanation:
The Given Equation is
rewriting the given equation it becomes the standard equation of parabola.i.e.,
where (h,k) is vertex of the parabola.
This parabola is opened toward positive y axis.
If we doubled the value of h the vertex moves in right direction of initial position as 2h is greater than h or 2h is on right side of h on x-axis.
Since, 2h is twice of h. Therefore, vertex moves twice as far from initial vertex.
Option B is Correct : The vertex of the graph moves to a point twice as far from the y- axis.
Ответ:
the possible values of X,y are 45°,45°
405°,405°
Step-by-step explanation: