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balandron [24]
3 years ago
15

What is the equation of the line that passes through (-1,-4) and (-2,-1)

Mathematics
1 answer:
arlik [135]3 years ago
7 0

Answer:

y+4=-3(x+1)

Step-by-step explanation:

You start by calculating the slope which is y1-y2 over x1-x2, which plugging the numbers in, comes out to be -3. Then, taking the point slope formula

(y-y1=m[x-x1]), you just plug the rest of the variables in.

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14 = - 2x + 8
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5 0
3 years ago
Read 2 more answers
I really need help anybody
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- 4(8x-3)/4 =76/4

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3 years ago
The new building is 22.5 inches from the gymnasium in the model. What will be the actual
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Answer:

67.5feet

Step-by-step explanation:

Given parameters:

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Unknown:

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To solve this problem, we first must understand the concept of scale. A scale is a relationship that represents a dimension on a map/model compared to the true ground expression. In order to visualize or represent some real life objects on paper or in a computer, we use models. These models are an abstraction of the real world based on scales. There are different ways of representing a scale.

In this problem;

    the scale is given as;

                     1 inch on model  represents 3 feet on ground

Now, to find 22.5 inches, simply cross multiply and solve;

        If   1 inch on model  represents 3 feet on ground

              22.5 inches on a model  will be =  \frac{22. 5 inches x 3 feet }{1 inches}

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Therefore, the actual distance is 67.5feet

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3 years ago
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Step-by-step explanation:

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