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NARA [144]
3 years ago
14

What is the equation for this line ?

Mathematics
1 answer:
konstantin123 [22]3 years ago
7 0
(-2,7)(0,-1)
slope = (-1 - 7) / (0 - (-2) = -8/2 = -4

y = mx + b
slope(m) = -4
use either ofur points (0,-1)...x = 0 and y = -1
now we sub and find b, the y int
-1 = -4(0) + b
-1 = b

so ur equation is : y = -4x - 1 or if u need it in standard form, it is 
4x + y = -1

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Plz help i will mark brainlist
iragen [17]
Y=x+4
3x+Y=-8

3x+x+4=-8
X=-3. Substitute the value of x


Y=-3+4
Y=1

(X,Y)= (-3,1)

So the answer is C
6 0
3 years ago
Read 2 more answers
Write the equation for a circle that satisfies the given conditions.
Alisiya [41]

The standard form of a circle is:

(x-a)^2+(y-b)^2=r^2

Your center is (-10,  -6) and your radius is 9

Plug them into the equation and you get

(x-(-10))+(y-(-6)) = 9^2

(x+10)^2 + (y+6)^2=81

The correct answer is D.

4 0
3 years ago
<img src="https://tex.z-dn.net/?f=%20%5Cfrac%7Bx%7D%7B2%7D%20%2B1%20%3D%20%5Csqrt%7B3%7D%20" id="TexFormula1" title=" \frac{x}{2
Tresset [83]
I hope this helps you

3 0
3 years ago
How do I solve by using system of elimination?
Nikitich [7]
You eliminate or ‘take away’ the answers that you know or think that r wrong. The last answer that’s left is your answer.
6 0
3 years ago
Peggy bought two racing cars for 5x dollars each and three model motorcycles for 3 eggs dollars each find the amount of money Pe
Sever21 [200]

Answer:

  19x

Step-by-step explanation:

The cost of the racing cars was ...

  2(5x) = 10x

The cost of the model motorcycles was ...

  3(3x) = 9x

Peggy paid in total ...

  10x + 9x = 19x

7 0
3 years ago
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