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Nadya [2.5K]
4 years ago
11

How do I find the slope of (2,3) and (5,9) by showing all of my work

Mathematics
2 answers:
suter [353]4 years ago
5 0
(2,3) and (5,9)                                                                                                                                                 You are suppose to subtract the y axis from the x axis. You´re going to do 9 - 3 which is 6. Then, you are going to do 5 - 2 which is 3. You should get 6/3. This simplifies to 2. So, you slope is going to be 2. I hope this helps!

IceJOKER [234]4 years ago
5 0
Slope=rise/run or we can write it as y1-y2/x1-x2.

(Hint: y is the rise and x is the run. To find slope, we need to know the change in “y” and the change in “x.” That is where the formula comes from)

2 will be x1
3 will be y1
5 will be x2
9 will be y2

You will get 3-9/2-5
Then: -6/-3
Then: 2

The slope is 2.

(Although this works with linear functions, for non-linear functions we use derivatives. I’m assuming you are using a linear function. Assuming the two points are on a linear function, the slope is 2)
You might be interested in
Find the vertices and foci of the hyperbola with equation quantity x plus 2 squared divided by 144 minus the quantity of y minus
Lelu [443]

Answer:

  • Vertices:(-14,4) and (10,4).
  • Foci:  (–17, 4) and (13, 4)

Step-by-step explanation:

Given the equation of the hyperbola

\dfrac{(x+2)^2}{144}-\dfrac{(y-4)^2}{81}  =1

Since the x part is added, then

a^2=144; b^2=81\\a=12,b=9

Also, this hyperbola's foci and vertices are to the left and right of the center, on a horizontal line paralleling the x-axis.

From the equation, clearly the center is at (h, k) = (–2, 4). Since the vertices are a = 12 units to either side, then they are at (-14,4) and (10,4).

From the equation

c^2=a^2+b^2=144+81=225\\c=15

The foci, being 15 units to either side of the center, must be at (–17, 4) and (13, 4)

5 0
3 years ago
The simplest form of the square root of 3,025 is
yanalaym [24]
3025 is a perfect square, so just take the square root.
sqrt(3025) = 55
5 0
3 years ago
Read 2 more answers
In circle P, chord AB is 3 inches from the center and chord CD is 5 inches from the center. Chord CD is ____ than chord AB.
Leno4ka [110]
The chord that goes through the center of a circle, the diameter, is the longest chord in a circle.  Any other chord will be shorter than this.  The farther a chord is away from the circle, the shorter it will be.  This means that chord CD is shorter than chord AB.
5 0
3 years ago
Read 2 more answers
5. Alea is 5 times 3 less than Leo's age. Alea is 40 years old. How old is Leo
kvv77 [185]

Answer:

Leo is 11 years old

Step-by-step explanation:

* Lets explain how to solve the problem

- Alea is 5 times 3 less than leo's age

- Alea is 40 years old

- Assume that leo's age is x

* Lets change the words to equation

∵ Leo is x years old

∵ Alea is 5 times 3 less than Leo's age

- That means when we subtract 3 from Leo's age and multiply the

 difference by 5 the result is Alea's age

∴ Alea's age = 5(x - 3)

- Multiply the two terms of the bracket by 5

∴ Alea's age = 5x - 15

∵ Alea is 40 years old

- Equate the expression of Alea's age by her age

∴ 5x - 15 = 40 ⇒ the equation to find Leo's age

- Add 15 to both sides

∴ 5x = 55

- Divide both sides by 5

∴ x = 11 ⇒ the solution of the equation

∵ x represents the Leo's age

∵ x = 11

∴ Leo is 11 years old

4 0
3 years ago
Math question please help <br> If you get this right I will mark you as a brainliest
Nady [450]

Remark

You have to complete the square twice. Begin by transferring the 75 to the right hand side. Put separate brackets around the x terms and another set around the y terms.

(x^2 + 10x ) + (y^2 - 16x ) = - 75

(x^2 + 10x + (10/2)^2 ) + (y^2 - 16x + (16/2)^2) = - 75 + (10/2)^2 + (16/2)^2

(x + 5)^2 + (y - 8)^2 = - 75 + 25 + 64

(x + 5)^2 + (y - 8)^2 = 14

The center is at (-5,8) which is C

Note: The graph is below just to confirm my answer. Notice where the center is and that the radius is just under 4.

6 0
3 years ago
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