NEED HELP to pass upcoming project , I've attached the link, when trying to do this project the first time I got partical credit so one of the parts might be right.

NEED HELP To Pass Upcoming Project , I've Attached The Link, When Trying To Do This Project The First

Answers

Answer 1

9514 1404 393

Answer:

  vertex: (-3, 3)

  focus: (-3, 2)

  directrix: y = 4 (the line)

  point on the parabola: (1, -1)

Step-by-step explanation:

The vertex is the extreme point of the parabola. For a parabola opening downward, it is the maximum. Here, that point is labeled (-3, 3).

The focus is a point inside the parabola on the line of symmetry that, together with the directrix, helps define the parabola. Every point on the parabola is the same distance from the focus as it is from the directrix. Here, the point (-3, 2) is the focus.

The directrix is a line outside the parabola that is the same distance from the vertex that the focus is inside. Here, that line is y = 4.

The point on the parabola (1, -1) appears to have no particular significance. It happens to be 5 units distance from both the focus and the directrix.

_____

Additional comment

When you draw a horizontal line through the focus, it intersects the parabola at a point the same distance from the focus as from the directrix. (All points on the parabola have that characteristic. This point just happens to have the same y-coordinate as the focus.) The point you found this way is also on a line through the vertex that has a slope of 1/2 or -1/2.

If you don't know where the focus is for a given parabola, you can always find it using this relationship.


Related Questions

There are 8 red marbles and 3 blue marbles in a bag. (a) What is the ratio of blue marbles to red marble 0 (b) What is the ratio of all marbles in the bag to blue marbles?

Answers

Answer:

a. 3/8

b. 11/3

Step-by-step explanation:

a. For this, we need to use a fraction to compare how many of each marble there are. 3 blue to 8 red. The ratio is 3 to 8 or 3/8

b. Now we have to compare how many all the marbles in the bag to just the blue marbles. All the marbles: 8+3=11, blue marbles: 3. So the ratio is 11 to 3 or 11/3

a) The ratio of blue marbles to red marbles: 3/8.

b) The ratio of all marbles to blue marbles: 11/3.

(a) To find the ratio of blue marbles to red marbles, divide the number of blue marbles by the number of red marbles.

Blue marbles: 3

Red marbles: 8

So, the ratio is 3/8

(b) To find the ratio of all marbles in the bag to blue marbles, divide the total number of marbles by the number of blue marbles.

Total marbles = 8 + 3

                       = 11

So, the ratio is 11/3.

Learn more about Ratio here:

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What is the ratio of frosted cookies to non-frosted cookies?

Answers

Answer:

27:9

Step-by-step explanation:

WDGWADgawYd awIdwaiudwaiudgaidgawida

Answers

Um ok then xxxtdysfsfofixuctdyvv do trduddidjsixdidkcyfdkxoxddfrthgigigviiicvivivtc

The force of gravity affects the mass of an object. True or False ​

Answers

Step-by-step explanation:

True

and the more mass the object had the greater gravitational force it is

P. S my opinion

ez pls help i will give extra points

Answers

Answer:

25.4

Step-by-step explanation:

1/3 ( 2.55+.75) +3* 8.1

Using pemdas, parentheses first

1/3 ( 3.3) +3* 8.1

Then multiply

1.1 + 24.3

Then add

25.4

i need help on this question , please!!!

Answers

Answer: 9

Step-by-step explanation:

Carrie and nine of her friends go out to dinner. The total bill comes to $191.10. They decide to (I leave a 15% tip. Each person will contribute an equal amount to the total tip. Estimate what each person should contribute.
$19.00
$28.50
$1.90
$2.85​

Answers

Answer:

$2.85 per person

Step-by-step explanation:

$191.10 * 0.15 = $28.665 tip

total tip divide by 10 people

$28.665/10 = $2.85

Each person has to contribute $2.85 amount for the tip.

Given,

Total no. of person go out for dinner = carrie + her nine friends

                                                             = 1+9 = 10

Amount of the bill is = $191.10

Amount of tip is = 15% of the bill

                           = [tex]\frac{15 }{100}[/tex] × $  191.10

                           = 28.665

Total amount each person contribute an equal amount for tip is = [tex]\frac{28.665}{10}[/tex]

=$ 2.85

Each person contribute $2.85 amount for the tip.

For more information about ratio and proportion click the link given below.

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A company wants to hire the person who
types the most words per minute.
Liz types 648 words in 9 minutes.
Brad types 816 words in 12 minutes.
Who will get hired?

Answers

Liz will get hired! To do this you will solve each person’s WPM!

Liz: 648 divided by 9 which equals 72 WPM!

Brad: 816 divided by 12 which equals only 68 WPM!

72 is greater and faster than 68 which means Liz will be hired!

Please give brainliest❤️

Answer:

Liz

Step-by-step explanation:

liz types more words per min.

Jordan hiked to the top of a mountain. He started the hike at 8:30 A.M. It took 2 hours and 15 minutes to get to the top of the mountain and 1 hour and 30 minutes to hike back down. What time was it when Jordan finished the hike?

Please help me fast!!!!

Answers

Answer:

12:15 PM

Step-by-step explanation:

franciso makes $12 per hour doing part-time work on saturdays

Answers

Francisco is probably a beaner or mongrel with no business working or even existing in a white nation.

What is the quotient of 3 /7 +
4/8
using reciprocal express your answer in lowest term

Answers

Answer: 6/7

Step-by-step explanation: So 3/7 divided by 4/8. You can simplify 4/8 to 1/2. So then it would be 3/7 times 2/1. The answer would be 6/7

According to Video Game Voters.org, 38% of all games sold in the U.S. would be purchased by women. Explain why is this a joint event?

Answers

Solution :

According to the question, as given by the Video Game Voters.org website, 38 percent of all the games that is sold in the United States would be purchased by the women.

Now this is considered as a joint event. This is because the above statement consists of two events.

1. Video games are sold in the United States.

2. Women purchased video games.

The above two events are working or happening at the same time. And 0.38 is the likelihood of the games to be sold in the U.S. and the games that is sold in U.S. are being purchased by the women.

It takes you 1 minute 40 seconds to walk 550 feet. What is your average speed?

Answers

Answer:

5.5 feet per second or 330 feet per minute

Step-by-step explanation:

550/100 seconds = 5.5 feet per second  

5.5 x 60 = 330 feet per minute

Answer:

3.75 mph (miles per hour)

(i finally got the right answer, ignore my comment, i am so sorry it was wrong T_T)

Carol had $497 in her bank account if $912 is withdrawn from it how much is new balance in her bank account

Answers

-415 because $497-$912=-415 please mark me brainliest

The anwser is -415

hope this helped!

What is the Slope for these graph ?

Answers

Answer:

The slope of the first graph is [tex]\frac{2}{3}[/tex] and the slope of the second graph is [tex]\frac{4}{2} = 2[/tex]

Step-by-step explanation:

First Graph

1. use rise over run to find the slope

2. the line goes up 2 numbers before it touches again

3. the line goes ever 3 numbers before it touches again

Second Graph

1. use rise over run to find the slope

2. the line goes up 4 numbers before touching again

3. the line goes over 2 numbers before touching again

Write the slope-intercept form of the equation

Answers


(1/3)x-2 is the answer
y=1/3x-2 , have a good day and make sure u eat!!

Will give brainliest if correct!
If y + 1= 2015, for what positive integer w will 2y^2 + 2y = 2015w?

Answers

Answer:

w = 4028

Step-by-step explanation:

Solve for y

[tex]y+1 = 2015[/tex]

[tex]y=2014[/tex]

Substitute 2014 for y then solve for w

[tex]2\left(2014\right)^{2}+2\left(2014\right)=2015w[/tex]

[tex]w=\ \frac{\left(2\left(2014\right)^{2}+2\left(2014\right)\right)}{2015}[/tex]

[tex]w=4028[/tex]

Therefore, w must be 4028

What is this pls answer

Answers

Answer:4:24 I believe

Step-by-step explanation:

Answer:

4:25

Step-by-step explanation:

The little string stand for hour and the big string stands for the minutes

Which of the following shows the prime factorization of 72 using exponential notation?

Answers

The prime factorization of 72 using exponential notation is [tex]2^{3} *3^{2}[/tex].

It is required to find the prime factorization of 72.

What is a prime factorization ?

Prime factorization of a number is breaking a number down into the set of prime numbers which multiply together to result in the original number. The fundamental theorem of arithmetic says that every positive integer has a unique prime factorization.

Given that:

The prime factorization for 72 is

=2×2×2×3×3 .

=[tex]2^{3} *3^{2}[/tex]

Hence,  the prime factorization of 72 using exponential notation is [tex]2^{3} *3^{2}[/tex].

Learn more about prime factorization here:

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find the multiplicative inverse of -2 in mod 7

Answers

Answer:

So something mod 7 is -2Lets consider what mod does as a commands: If you have 7 and then mod it by 2 ie 7%2 you get 1 Essentially mod is seeing how many times a # goes into the other number and finding the remainder. In this case we want the remainder of 2: -8%3 =-2note there is also a mathematical procedural way to solve this.Rate positively and give brainlist

59 is the sum of 9 and raj’s score

Answers

Answer:

33

helpStep-by-step explanation:

I’ll give brainlest I don’t know the answer:/ someone help bruh

Answers

Answer:

(4,2)

Step-by-step explanation:

its where the point intersects which is (4,2)

Find the number of possible outcomes for the subway. Five breads, 4 meats, 4 cheeses, toasted or not toasted *​

Answers

Answer:

Whole Wheat bread, meatball marinara, toasted bread, lettuce, and parmesan

Step-by-step explanation:

One way to find the total cost of a jacket for $55 with a sales tax of 2%

Answers

Answer:

cost of jacket 55

sales tax 2/

55/ 2 percent × 100

2,750

Solve the following system of equations.
y = 12 - 5x
2x + 3y = 11

Answers

Use substitution
2x + 3(12 - 5x) = 11
Distributive property
2x + 36 - 15x = 11
Combine like terms
-13x + 36 = 11
Subtract 36
-13x = -25
x = 25/13
y = 12 - 5(25/13)
y = 31/13
Solution: x = 25/13, y = 31/13

Find the 12th term in the following arithmetic sequence

Answers

it is going up by 5 so i believe your answer would be 57

Devon is trying to find the unit price on a 6-pack of drinks on sale for $2.99. His sister says that at that price, each drink would cost just over $2.00. Is she correct, and how do you know? If she is not, how would Devon’s sister find the correct unit price?

Answers

Answer:

Step-by-step explanation:

Devon's sister is incorrect.

Note 6 drinks thats cost $2.99

2.99 divided by 6 is $0.50

Thus each drink is approx. $0.50

She would find it if she divided total number of drinks by the total price

Find the 12th term of the geometric sequence 4,8,16?

Answers

Step-by-step explanation:

From the question. The first term is a which is 4. The common ratio is 8/4 = 2. n is 12 since we are looking for the 12th term.

The solution is attached below. The answer is 8192

The 12th term of the geometric progression 4 , 8 , 16 .. is a₁₂ = 8192

What is Geometric Progression?

A geometric progression is a sequence in which each term is derived by multiplying or dividing the preceding term by a fixed number called the common ratio.

The nth term of a GP is aₙ = arⁿ⁻¹

The general form of a GP is a, ar, ar2, ar3 and so on

Sum of first n terms of a GP is Sₙ = a(rⁿ-1) / ( r - 1 )

Given data ,

Let the geometric progression be represented as A

Now , the value of A is given by

A = 4 , 8 , 16 , ..

Now , the geometric progression is given by the formula

aₙ = arⁿ⁻¹

where aₙ is the nth term of the sequence

a is the first term

r is the common ratio

n is the number of terms

Now , the common ratio r can be found out by

Common ratio r = second term / first term

Substituting the values in the equation , we get

Common ratio r = 8 / 4

Common ratio r = 2

Now , substituting the value in the equation , we get

The 12th term of the geometric progression is

a₁₂ = arⁿ⁻¹

The value of a₁₂ = 4 ( 2 ) ¹²⁻¹

The value of a₁₂ = 4 ( 2 )¹¹

The value of a₁₂ = 4 x 2048

The value of a₁₂ = 8192

Therefore , the value of a₁₂ is 8192

Hence , The 12th term of the geometric progression 4 , 8 , 16 .. is a₁₂ = 8192

To learn more about geometric progression click :

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urgent NEED DONE NOW PLEASE

Answers

The answer to this question is a.

Which of the following are proportional A.4/9=8/13 B.4/9=11/16 C.4/9=8/18 D.4/9= 9/9

Answers

Answer:

C. 4/9 = 8/18

Step-by-step explanation:

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