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Lady bird [3.3K]
3 years ago
13

Write an equation for the line that passes through (2, -2) and (4, -1)​

Mathematics
1 answer:
Dahasolnce [82]3 years ago
6 0

Answer:  y=1/2x-3

Step-by-step explanation:

Slope-intercept form:y=mx+b

m=y2-y1/x2-x1

-1-(-2)/4-2=1/2

y=1/2x+b

-1=1/2(4)+b

-1=2+b

b=-3

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</span>
7 0
3 years ago
NEED HELP ASAP!!! | WILL GIVE BRAINLIEST!!!
Ilya [14]

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D

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4 0
2 years ago
Read 2 more answers
Please help my mom is gonna hit me if i don't get it right. <br> the answer is NOT 18
Nookie1986 [14]

Answer:

Lol I hope she didn't hit you yet. The answer is x=14 :)

Step-by-step explanation:

So the first thing that you would want to do is find what 9 is multiplied by to get 21. To do this, we can just do a simple algebraic equation: 9x=21. The answer is 7/3 because mAgIc. So now, we can also multiply 6 by 7/3. this would be 42/3 because of more MaGiC. 42/3 divides into 14 because im  just obviously a mage. lol I hope this helped.

6 0
2 years ago
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Neko [114]
Hi :)
the correct answer is J
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6 0
2 years ago
Use the quadratic formula to solve the equation. -2x^2-x+7=0.
Furkat [3]
<span>-2x^2-x+7=0  
Variable with the highest degree's (exponent) constant, -2 is a, next variable's constant, -1 is b, the constant or number without a variable, 7 is c

using substitution put the numbers into the formula
</span>(-b±√(b^(2)-4ac))/(a^(2))

(-(-1)±√((-1)^(2)-4(-2)(7))/((-2)^(2)) simplify 

(1±√(1+56))/4

1±√(57)/4 is your answer
8 0
3 years ago
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