Identify the graph of 4y^(2)+12x^(2)=24 for T(-1,4) and write an equation of the translated or rotated graph in general form.

Answers

Answer 1
Answer:

The point T(-1,4) lies on the ellipse on the graph.

The equation of the ellipse in generalform is:

(x/√2)² + (y/√6)² = 1

What is an equation?

An equation contains one or more terms with variables connected by an equal sign.

Example:

2x + 4y = 9 is an equation.

2x = 8 is an equation.

We have,

The given equation, 4y² + 12x² = 24, can be simplified by dividing both sides by 24 to get:

y²/6 + x²/2 = 1

This is the equation of an ellipse centered at the origin, with a horizontal majoraxis of length 2√6 and a vertical minoraxis of length 2√2.

To identify the graph of the ellipse passing through T(-1,4), we substitute x = -1 and y = 4 in the equation and simplify:

4(4)² + 12(-1)² = 24

64 - 12 = 52

Thus, point T(-1,4) lies on the ellipse.

To find the equation of the translated or rotated ellipse in general form, we can use standard transformations.

Let (h,k) be the center of the ellipse.

Then we have:

(x-h)²/a² + (y-k)²/b² = 1

where a and b are the lengths of the semi-major and semi-minor axes, respectively.

The center of the given ellipse is (0,0), so h = 0 and k = 0.

To determine the values of a and b, we note that a^(2) is the coefficient of x² in the equation, and b² is the coefficient of y².

Thus, we have:

a² = 2 and b² = 6

Taking squareroots, we get:

a = √2 and b = √6

Therefore,

The equation of the ellipse in generalform is:

(x/√2)² + (y/√6)² = 1

This is the equation of an ellipse with a horizontal majoraxis of length 2√2 and a vertical minoraxis of length 2√6, centered at the origin and rotated counterclockwise by an angle of θ such that tan(2θ) = 4/3.

Learn more about equations here:

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Answer 2
Answer:

Answer:

b. ellipse; 3x^2 + y^2 + 6x - 8y + 13 = 0

Step-by-step explanation:

thats the answer on edg :)


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The new service charges a sign up if $10 . Then , you can rent as many movies as you want for $12 per month , which equation shows the total cost for renting movies over time

Answers

y= total amount of money paid
x= number of months
Because you started with 10 and you have to pay 12 dollars each month:

y= 12x+10

Hope this helps :)

Suzanne bought 50 apples at the apple Orchard. She bought 4 times as many red apples. How many more red apples than green apples did Suzanne buy?

Answers

50 times 4 is 200 then you would subtract 50 from 200 and the answer is 150 more apples.
Since Suzanna bought 50 apples and bought 4 times as many red apples you would do 50x4 to get 200 then to find how many more you would subtract 50 from 200 to get 150

Evaluate the expression for k = 17. Simplify your answer.

k
17
=

Answers

Answer:

k=17

Step-by-step explanation:

Because nothing else can equal 17. So basically 17=17

15 liters increased by 60℅

Answers

To increase by 60%, you need to multiply the original 15 liters by 1.6. The 1 incorporates the original 15 liters and the 0.6 equals the amount gained.
15×1.6=24 liters (total)
15×0.6=9 liters (amount gained)

Please help! And get it right I hope!

Answers

1. 56
2. 10 
3. 16
4. 2
5. 12

Tanya needs to buy chocolate bars for all the children in year 7. Each of the 130 children get one chocolate bar. There are 8 chocolate bars in each packet. Work out the least number of packets of chocolate bars that Tanya needs to buy.

Answers

Answer:

17 packets

Step-by-step explanation:

So Tanya needs 130 chocolate bars.

But there is 8 in each packet.

So,

130 ÷ 8 = 16.25

16 packets

As you can see, there is a quarter left of chocolates that she needs (0.25). So what she can do is buy 1 more packet then give the quarter of that packet to the children.

So 16 + 1 = 17 packets

Answer:

17 packets

Step-by-step explanation:

So Tanya needs 130 chocolate bars.

But there is 8 in each packet.

So, Divide

130 ÷ 8 = 16.25

16 packets