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8090 [49]
3 years ago
9

Identify the vertex and the y-intercept of the graph of the function. y = –1.5(x + 2)^2

Mathematics
2 answers:
bagirrra123 [75]3 years ago
6 0

This  is written in vertex form:-

y = a(x - b)^2 + c   where  (b, c) is the vertex.

Comparing the function in the question to the above:-

b = -2 and c = 0 so the vertex is at the point (-2, 0)  answer

The y intercept occurs when x = 0 so here it is:-

-1.5( 0 + 2)^2 =  -6

y intercept is at ( 0, -6)  answer

Vitek1552 [10]3 years ago
4 0

Answer:

The vertex = (-2, 0)

The y-intercept of the equation is -6.

Step-by-step explanation:

Since, the vertex form of quadratic equation,

y=a(x-h)^2+k

Where, (h,k) is the vertex of the equation,

Here, the given equation,

y = -1.5(x + 2)^2

\implies y=-1.5(x-(-2))^2+0

By comparing,

The vertex = (-2, 0)

Now, for y-intercept,

x = 0,

y=-1.5(0+2)^2=-1.5(4)=-6

Hence, y-intercept of the equation is -6.

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