Which is the axis of symmetry of a parabola with equation x^2=-4y?
x = –4
x = –1
x = 0
x = 1

The axis of symmetry is

Step-by-step explanation:

we know that

The equation of a vertical parabola into vertex form is equal to

where

(h,k) is the vertex of the parabola

and the axis of symmetry is the x-coordinate of the vertex

In this problem we have

The vertex is the origin

therefore

the axis of symmetry is

the answer is d

the answer is in the first quadrant, which make the y-int positive.

since the dots are going down, therefore the correlation is negative

i hope it is right.

part a

in a city ice cream is mostly only bought when the temperature is very high as ice cream cools down our

so we can derive the conclusion that as the temperature increases the number of ice creams sold also increases

part b

y intercept is 5

slope is 2

happy to

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