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Darya [45]
2 years ago
5

Write an equation in point slope form through the point (3,-1) with a slope of 2

Mathematics
1 answer:
klio [65]2 years ago
8 0

Answer:

y+1 = 2 (x -3)

Step-by-step explanation:

Point slope form is

y - y_{1}=m(x-x_{1})

The points you have are (3, -1). The 3 is x_{1} and the -1 is y_{1}

The slope, m, is 2.

Plugin the numbers for the variables.

y - -1 = 2 (x -3)\\y + 1 = 2 (x - 3)

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Can someone help me. ​
marshall27 [118]

Answer:

B

Step-by-step explanation:

yeah just pick B man lol

7 0
3 years ago
1. A snack bar sells two sizes of snack packs. A large snack pack is $8, and a
natali 33 [55]

answer

system : 8L+ 4S = 120

               L + S = 20

There are 10 small packs and 10 large packs

step by step answer :

to form the two systems, we have to determine the catagories of the 2 equations : one for money and one for the no of packs

after forming the two equations we simply put the numbers in the same order put above on the calculator ( mode 5:1) and the calaculator will answer it in seconds . 10 small packs and 10 large packs.

To  check your answer , substitute the letters with their values and if both equations gave you the same value at the end then your answer is correct!  

7 0
3 years ago
What are the coordinates of the point that is one half the distance between A(−3, −5) and B(2, 7)?
Olenka [21]

Answer:

(\frac{-1}{2},1)

General Formulas and Concepts:

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

  1. Brackets
  2. Parenthesis
  3. Exponents
  4. Multiplication
  5. Division
  6. Addition
  7. Subtraction
  • Left to Right

<u>Algebra I</u>

  • Midpoint Formula: (\frac{x_1+x_2}{2},\frac{y_1+y_2}{2})

Step-by-step explanation:

<u>Step 1: Define</u>

A (-3, -5)

B (2, 7)

<u>Step 2: Find midpoint</u>

  1. Substitute:                    (\frac{-3+2}{2},\frac{-5+7}{2})
  2. Add:                              (\frac{-1}{2},\frac{2}{2})
  3. Divide:                          (\frac{-1}{2},1)
3 0
3 years ago
<img src="https://tex.z-dn.net/?f=%20%5Cfrac%7Bx%7D%7B3%7D%20" id="TexFormula1" title=" \frac{x}{3} " alt=" \frac{x}{3} " align=
sergij07 [2.7K]
20+4 = 24

24x3 = 72

x=72
4 0
3 years ago
Simplify (2x-2y)(2y + 8)
Rasek [7]

Answer:

=4xy−4y2+16x−16y

Step-by-step explanation:

(2x−2y)(2y+8)

=(2x+−2y)(2y+8)

=(2x)(2y)+(2x)(8)+(−2y)(2y)+(−2y)(8)

=4xy+16x−4y2−16y

=4xy−4y2+16x−16y

6 0
2 years ago
Read 2 more answers
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