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Alex
3 years ago
5

What is the slope of the line passing through the points (−3,−5) and (−1,−6)?

Mathematics
2 answers:
Mama L [17]3 years ago
7 0

Answer:

-1/2

Step-by-step explanation:

1. The formula to find the slope given two points is \frac{y_2-y_1}{x_2-x_1}. Now, all we have to do is plug in the values.

2. (Solving)

  • \frac{(-6)-(-5)}{(-1)-(-3)}  
  • \frac{-6+5}{-1+3}
  • \frac{-1}{2}
  • -\frac{1}{2}

Therefore, the slope is -1/2.

Elza [17]3 years ago
6 0

Answer:

  • B. - 1/2

Step-by-step explanation:

<u>Use slope formula and substitute given coordinates:</u>

  • m=(y_2-y_1)/(x_2-x_1)
  • m =(-6-(-5))/(-1-(-3))=-1/2
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Jan is 2/3 of Karyn's age. Jan's age 8 years ago is 2/5 of Katyn's age 4 yeats from now. Jan is how many younger than Karyn?
Elden [556K]

Answer:

12 years younger.

Step-by-step explanation:

Let Jan's age be J and Karyn's age be K.

J= \frac{2}{3}  K

Jan's age 8 years ago is 2/5 of Karyn's age 4 yeaRs from now.

J-8 = \frac{2}{5} (K+4)

=> (\frac{2}{3} - \frac{2}{5} ) K = \frac{8}{5} + 8

=> 4K = 48 X 3

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=> J= 24.

So Jan is 12 years younger.

8 0
3 years ago
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kondaur [170]

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3 years ago
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3 0
3 years ago
What are the zeros of the function below? check all that apply
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6 0
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The results of a linear regression are shown below.
IgorLugansk [536]

Hello!

As we can see, our a value, which would be the coefficient of x, which determines our slope, is negative, meaning that this whole line is negative.

Furthermore, the correlation can be determined using the r value of the linear regression, which is around -0.9.

If the r value of the linear regression is close to 1 or -1, let's say around |r| > 0.8, then we can consider the regression a strong correlation, meaning that this is a strong negative correlation, which is answer choice A.

3 0
3 years ago
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