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jasminethomas5159
14.07.2019 •
Mathematics
What does g(x)=-3(x-1)^2+5 look like on a graph?
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Ответ:
h(x)= a(x-h)^2 + k is the most general form. This has its vertex at (h,k).
Thus, g(x)=-3(x-1)^2+5 has its vertex at (1,5).
Draw y=x^2. Then translate its vertex to (1,5). Now, that "3" tells us to stretch the graph out vertically. Lastlly, that "-" tells us to turn the previous graph upside down.
To graph this g(x)=-3(x-1)^2+5:
1) graph y=x^2
2) translate the vertex (0,0) of y = x^2 to (1,5).
3) invert the graph so that it opens down instead of up.
4) stretch the graph vertically by a factor of 3.
5) if you wish, find the x-and y-intercepts and plot them.
6) draw the curve through these intercepts and (1,5).
Ответ:
B on edge
Step-by-step explanation:
I just took it.