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gladu [14]
3 years ago
11

Describe how the equation y=(x-2)^2+5 transforms the graph of a basic parabola y=x^2

Mathematics
2 answers:
Salsk061 [2.6K]3 years ago
4 0

Answer:

We need to move right twice and up five.

Step-by-step explanation:

We could compare the vertex.

The vertex form a parabola is y=a(x-h)^2+k. This is called vertex form because it tells you the vertex (h,k).  It can also tell you if has been reflected or vertically squished/stretched all by looking at a.

y=(x-2)^2+5 has vertex (2,5).

y=x^2=(x-0)^2+0 has vertex (0,0).

Let's describe how to get from the point (0,0) to the point (2,5).

We need to move right twice and up five.

So that is the transformation that will get you from y=x^2 to y=(x-2)^2+5.

jeka943 years ago
3 0

Answer: The graph of the basic parabola y=x^2 is shifted upward 5 units and shifted 2 units to the right.

Step-by-step explanation:

There are some transformations for a function f(x).

Some of this transformations are the following:

If f(x)+k, then the function is shifted upward "k" units

If f(x)-k, then the function is shifted downward "k" units.

If f(x+k), then the function is shifted  to the left "k" units.

If f(x-k), then the function is shifted  to the right "k" units.

In this case we know that  the equation y=(x-2)^2+5 is obtained by transformating y=x^2.

Therefore, based on the transformations mentioned before, we can describe  how the equation y=(x-2)^2+5 transforms the graph of the basic parabola y=x^2:

The graph of the basic parabola y=x^2 is shifted upward 5 units and shifted 2 units to the right.

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Arada [10]

Answer:

a. 72 inches

b. 21.3 inches

Step-by-step explanation:

12:27

a. 32 inches in height

32/x = 12/27

Set these fractions equal to each other

32= 12

12 times 2.6(repeating decimal) equals 32

So to find the width do 2.666... time 27 and you get 72 inches.

---------------------------------------------------------------------------

b. 48 inches in width

Again set the fractions equal to each other.

x/48 = 12/27

48 divided by 27 equals 1.77777....

To get height, do 1.77777.... times 12 and you get 21.3333333

But since it is to the nearest tenth, you get 21.3 inches

Hope that helps!

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3 years ago
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kenny6666 [7]

Answer:

<em>$528</em>

Step-by-step explanation:

A. Calculating The Markdown Price

X=Markdown price

Original price: $600

Markdown rate: 20%

100%-20%=80%

The TV's price is now 80% of what it originally was.

\frac{x}{600} =\frac{80}{100\\}

100x=48000

x=480

The price of the TV after being marked down is $480.

B. Calculating The Sales Tax

Y=Total sales tax

TV price: $480

Sales tax: 10% or 0.1

y=480*0.1

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The total sales tax is $48

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jeka94

Answer:

Option A. 3.5x + 15 ≥ 55

Step-by-step explanation:

Points Rosh received for becoming a member = 15

Points Rosh received for visiting the moving theater = 3.5

Total points needed for a free movie ticket = 55

For each visit he receives 3.5 points, so for x visits he will receive 3.5x points.

Total points = Points received on becoming a member + Points received on x visits

So,

Total Points = 15 + 3.5x

These points must be at least 55 for a free movie ticket. At least means equal to or greater than. So the total points must be equal to or greater than 55 in order to earn a free movie ticket. This can be expressed as:

3.5x + 15 ≥ 55

So, option A gives the correct answer

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3 years ago
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Answer:

y=

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Step-by-step explanation:

7x+4+12x+24=180

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19x=180-28

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