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Darina [25.2K]
3 years ago
9

Graph the quadratic functions y = -2x^2 and y = -2x^2 + 4 on a seperate piece of paper. Using those graphs, compare and contrast

the shape and position of the graphs.

Mathematics
2 answers:
Andrei [34K]3 years ago
6 0

Answer:

Shape is parabolic and there is translation of 4 unit upward.

Step-by-step explanation:

Given : The quadratic functions y = -2x^2 and y = -2x^2 + 4

To find : Using those graphs, compare and contrast the shape and position of the graphs?

Solution :

Let, y_1= -2x^2

and  y_2= -2x^2 + 4

Now, we plot these two equations.

The graph of y_1= -2x^2  is shown with green line with vertex(0,0)

The graph of y_2= -2x^2 + 4  is shown with violet line with vertex(0,4)

We have seen in the graph that the graph of y_2 is shifted 4 unit upward with the graph of y_1

Transformation to upward,

f(x)→f(x)+b , the graph of f(x) is shifted upward by b unit.

The shape of both the graph is parabolic but the position is different.

There is a 4 unit upward translation.

Refer the attached graph below.                

KiRa [710]3 years ago
3 0

Answer:

both the graph has same shape but graph of y = -2x²+4 would shift 4 unit up.

Step-by-step explanation:

Given : y = -2x²   and y = -2x²+4.

To find  : Using those graphs, compare and contrast the shape and position of the graphs.

Solution : We have given that  y = -2x²   and y = -2x²+4.

For y = -2x²  

This is a quadratic equation  we will get a parabolic graph with y intercept 0

Vertex (0,0).

For y = -2x²+4

This is also a quadratic function , we will get parabolic graph with y intercept 4.

Graph of y = -2x²+4  would shift 4 unit up with y = -2x².

Therefore, both the graph has same shape but graph of y = -2x²+4 would shift 4 unit up.

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