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Yuki888 [10]
2 years ago
13

Which is an equation in point-slope form for the given point and slope? Point:(2,-6) Slope:-3/4

Mathematics
1 answer:
Fynjy0 [20]2 years ago
7 0
The equation for point-slope form is 

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

m being the slope, y1 being the second point in the (2, -6) and the x1 being the first point in the (2, -6).

So the equation would look like this (for point-slope):

y-(-6)=- \frac{3}{4}(x-2) \\ or \\ y+6=-  \frac{3}{4}(x-2)

If you're looking for slope-intercept form you can simplify the equation:

y+6=- \frac{3}{4}(x-2) \\  \\ y+6=- \frac{3}{4}x+ \frac{6}{4} \\  \\ y+6-6=- \frac{3}{4}x+ \frac{6}{4}-6 \\  \\ y=- \frac{3}{4}x- \frac{18}{4}

If you're looking for the standard form of the equation, you can take the slope-intercept equation and turn it into standard form:

y=- \frac{3}{4}x- \frac{18}{4} \\ 4y=4(- \frac{3}{4}x- \frac{18}{4}) \\ 4y=-3x-18 \\ 4y+3x=-3x-18+3x \\ 4y+3x=-18 \\ 3x+4y=-18

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The given line passes through the points (0, −3) and (2, 3).
Fed [463]
If the 2 lines are parallel, their slopes are the same.

The slope of both is  
          3+3
m = ---------- = 3
          2 - 0

If the new line <span>passes through the point (−1, −1), then the equation in point slope form is:

y+1 = 3(x+1).</span>
4 0
3 years ago
Use the distributive property to simplify the expressions. 1B. -3(9x-q) 2B. 2(12+5p) 3b. -7(-8y+7) 4b. 10(2+7c) 5b. -8(7+11k) 6b
Debora [2.8K]
1B: -3(9x-q)
       -27x + 3q


Step 1: Distribute the -3 to the 9x to get -27x.
Step 2: Distribute the -3 to the -q.


2B: 2(12+5p)
       24 + 10p

Step 1: Distribute the 2 to the 12 to get 24.
Step 2: Distribute the 2 to the 5p to get 10p.

3B: -7(-8y+7)
       56y - 49


Step 1: Distribute the -7 to the -8y to get 56y.
Step 2: Distribute the -7 to the 7 to get -49.

4B: 10(2+7c)
        20 + 70c


Step 1: Distribute the 10 to the 2 to get 20. 
Step 2: Distribute the 10 to the 7c to get 70c.

5B: -8(7+11k)
       -56 - 88k


Step 1: Distribute the -8 to the 7 to get -56.
Step 2: Distribute the -8 to the 11k to get -88k.

6B: -(3-7u)
       -1(3-7u)
       -3 + 7u


Step 1: Place a 1 after the negative symbol to symbolize -1.
Step 2: Distribute the -1 to the three to get -3.
Step 3: Distribute the -1 to the -7u to get 7u.


7B: -6(5p + s)
       -30p - 6s

Step 1: Distribute the -6 to the 5p to get -30p.
Step 2: Distribute the -6 to the s to get -6s.

:) :D




8 0
3 years ago
if you deposit 4500 at 5% annual interest compounded annually how much money will be in the account after 30 months
Alja [10]

Answer:

A = $ 50,978.44

Step-by-step explanation:

First, convert R percent to r a decimal

r = R/100

r = 5%/100

r = 0.05 per year,

Then, solve our equation for A

A = P(1 + r/n)nt

A = 45,000.00(1 + 0.004166667/12)(12)(2.5)

A = $ 50,978.44

8 0
3 years ago
What is the lest comen demomator of 1/8 1/12 and 7/18
Bond [772]

Answer:

72

Step-by-step explanation:

18*4

12*6

8*9

5 0
3 years ago
Read 2 more answers
Find the volume of a pyramid with a square base, where the side length of the base is
nalin [4]
1689.32 hope this helps
6 0
3 years ago
Read 2 more answers
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