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Alex787 [66]
3 years ago
15

the table and grab both represent the same relationship. Which equation also represents the relationship?

Mathematics
2 answers:
Alekssandra [29.7K]3 years ago
7 0

Answer:

Fourth option y = x²

Step-by-step explanation:

It is clear from the graph that parabola passes through origin, which is it's vertex and line of symmetry is y-axis.

So the equation of the parabola will be y = (x - 0)² + 0

This equation of the parabola is in the vertex form [ y = (x - h)² + k]

Therefore, equation of the parabola will be y = x²

This equation is true for the given values of x and y in the table.

For (-2, 4) ⇒ 4 = (-2)²

For (-1, 1) ⇒ 1 = (-1)²

Fourth option y = x² is the answer.

Art [367]3 years ago
4 0
That would be y=x^2 as it is a parent function

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Answer:

1.60 ft^{2}

Step-by-step explanation:

Assuming that this is a cylindrical pipe, the area can be determined by applying the formula for calculating the area of a circle.

i.e Area = \pir^{2}

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for the inner part of the pipe,

r = \frac{diameter}{2}

 = \frac{5}{2}

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Area of the inner part of the pipe = \pir^{2}

                                 = 3.14 x (2.5)^{2}

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Are of the inner part of the pipe is 19.63 ft^{2}.

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Area of the pipe = \pir^{2}

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Thus the cross sectional area = Area of the pipe - Area of the inner part of the pipe

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The cross sectional area of the cement pipe is 1.60 ft^{2}.

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