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rosemary909
29.01.2020 •
Mathematics
Identify the vertex and the y-intercept of the graph of the function.
y = –0.25(x – 4)^2 2 – 2
vertex, (2, –4); y-intercept, –6
vertex, (–4, 0); y-intercept, –6
vertex, (4, –2); y-intercept, –6
vertex, (–2, 4); y-intercept, –6
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Ответ:
vertex, (4, –2); y-intercept, –6
Step-by-step explanation:
The equation is written in vertex form
where the vertex is (h,k).
The vertex here is (4, -2). This means the solution is vertex, (4, –2); y-intercept, –6.
Ответ:
vertex, (4, –2); y-intercept, –6.
Step-by-step explanation:
the vertex is
where a=-0.25 and b=2. So,
Then, the vertex is (4,-2) and the intercept is y(0)= -0.25(0)+2(0)-6 = -6. So, the answer is the third option.
Ответ:
y = (x-8)(x-8) + 9
y = x^2 - 8x - 8x + 64 + 9
y = x^2 - 16x + 64 + 9
y = x^2 - 16x + 73
this is standard form! i hope it helps. ❤️