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alekssr [168]
3 years ago
13

Line CD contains points A (4, 6) and B (−2, 6). What is the slope of the line CD?

Mathematics
2 answers:
vazorg [7]3 years ago
5 0
The slope of the line given the points is calculated through the equation,
                                 m = (y2 - y1) / (x2 - x1)
Substituting the known values,
                                 m = (6 - 6) / (-2 - 4)   = 0
The slope of the given line is equal to 0 which means that it is a horizontal line. 
Elden [556K]3 years ago
3 0

so is it a b c or d?

zero

undefined

positive

negative

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Answer:

Pic1 answers:

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Solve the system of equations. -12x-5y=40 and 12x-11y=88 x= y=
SpyIntel [72]

Answer:

(0,-8)

x=0

y=-8

Step-by-step explanation:

There are a couple of ways you can solve this I used what I think is called the elimination method

We first start by writing the equations in linear form (y=mx+b)

For the first one we have -12x-5y=40

we add 5y to both sides and subtract 40 to get

-12x-40=5y

divide by 5 to get

-12/5x-8=y

Then the second one we have

12x-11y=88

same deal here, add 11y and subtract 88 to get

12x-88=11y

divide by 11 and get

12/11x-8=y

We then set the two equations equal to each other and get

-12/5x-8=12/11x-8

We can add 8 to both sides and get

-12/5x=12/11x

Just by looking at it you can see that the only solution for x is 0

Plug in 0 to the first equation and get -12*0-5y=40

This means that -5y=40

Solve for y and get -8

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