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4 years ago

Re-write the quadratic function below in Standard Form y= -3(x – 4)(x – 4)

Mathematics

2 answers:

kupik [55]4 years ago

8 0

Answer:

y = -3(x – 4)^2

Step-by-step explanation:

y = -3(x – 4)(x – 4)

To rewrite the above equation in standard form, we need to carefully observe the equation to see if we can square any of the variable without uttering the equation. This is illustrated below:

y = -3(x – 4)(x – 4)

From the above equation, we have the same entities on both brackets. Thus, we can rewrite it as follow:

y = -3(x – 4)^2

Now the equation is expressed in standard form.

Sever21 [200]4 years ago

7 0

Answer:

y=-x²+8x+16

Step-by-step explanation:

y= -3(x – 4)(x – 4)

We multiply

y=(-3x+12)(x-4)

Expand the bracket

y= x(-3x+12) -4(-3x+12)

y=-3x²+12x

-4(-3x+12)

+12x+48

y=-3x²+24x+48

Divide by 3

y=-x²+8x+16

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jek_recluse [69]

Answer:

Step-by-step explanation:

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3 years ago

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Step-by-step explanation:

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3 years ago

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3 years ago

What is the perimeter of the rectangle? Write your answer in scientific notation. The area is 2.76 x 10 pw12 the width is 4.6 x

Elanso [62]

The caret (^) is the symbol conventionally used to indicate an exponent.

You have
area = 2.76·10^12
width = 4.6·10^5

You want to find the perimeter of the rectangle with these dimensions.

The perimeter of a rectangle is twice the sum of length and width.
perimeter = 2*(length + width)
The length can be figured from the area using the formula for area.
area = length*width
area/width = length . . . . . . . . . divide by width
Filling in the numbers, we have
perimeter = 2*((2.76·10^12)/(4.6·10^5) +(4.6·10^5))
perimeter = 2*(6.0·10^6 +0.46·10^6)
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The perimeter of the rectangle is ...
1.292·10^7

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3 years ago

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Step-by-step explanation:

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