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Tema [17]
3 years ago
7

Write the slope-intercept form of the line with a slope of 2 and a y-intercept of -4. Include your work in your final answer. Ty

pe your answer in the box provided or use the upload option to submit your solution.
Mathematics
1 answer:
xenn [34]3 years ago
7 0

Answer:

The formula for slope intercept is y=mx+b and m is the slope and B is our y intercept. so if we just input our values:

y=2x-4

you also you could write the slope as 2/1 since the slope is rise over run (rise/run)

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The equation represents an ellipse. which points are the vertices of the ellipse? (7, 1) and (7, −5) (7, −10) and (7, 6) (10, −2
OleMash [197]

The points which represents the vertices of the given equation are; (15, −2) and (−1, −2).

<h3>Which points among the answer choices represents the vertices of the ellipse whose equation is given?</h3>

The complete question gives the equation of the ellipse as; (x-7)²/64+(y+2)²/9=1.

Since, It follows from convention that general equation of ellipse with centre as (h, k) takes the form;

(x-h)²/a² +(y-k)²/b² = 1.

Consequently, it follows from observation that the value of a and b in the given equation in the task content is; √64 = 8 and √9 = 3 respectively.

Since, 8 > 3, The vertices of the ellipse are given by; (h±a, k).

The vertices in this scenario are therefore;

(7+8, -2) and (7-8, -2).

= (15, -2) and (-1, -2).

Read more on vertices of an ellipse;

brainly.com/question/9525569

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7 0
2 years ago
59 points on this! Pls answer
joja [24]

Answer:

(a) y = -4x + 4   (b) y = 2x + 3

<u>solving steps:</u>

note: m refers to slope and y₁ to y point and x₁ to x point

a)

coordinates: (2,-4)

slope: -4

equation:

  • y - y₁ = m(x - x₁)
  • y - -4 = -4(x-2)
  • y = -4x + 8 - 4
  • y = - 4x + 4

b)

coordinates: (1,5), (-1,1)

slope:  \sf \dfrac{y-y_1}{x-x_1}  

  • \sf \dfrac{1-5}{-1-1}  
  • 2

equation:

  • y - y₁ = m(x - x₁)
  • y - 5 = 2(x - 1)
  • y - 5 = 2x - 2
  • y = 2x - 2 + 5
  • y = 2x + 3
5 0
2 years ago
Read 2 more answers
Example 3:
Darina [25.2K]
You can just use a calculator but when you add the numbers all together you get 323
6 0
3 years ago
Read 2 more answers
Help please This is 8th grade made. I put 13 but Idk if it's correct
Rom4ik [11]
The answer is the square root of (12^2 + 5^2), which is 13. You're correct
5 0
3 years ago
I need help with this question
Murljashka [212]
It is the third on down

4 0
3 years ago
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