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2 years ago

Which graph is the line y=-2/5x+3?

Mathematics

2 answers:

Mashcka [7]2 years ago

8 0

1st we should find the point where the line intersects with the axises
put x= 0 , so y= 3 ---- > the 1st point (0,3)
put y=0 , so x = 7.5 ----> the 2nd point (7.5,0)
so it's the first graph on the left

ehidna [41]2 years ago

3 0

We can start off by using process of elimination. There are only 2 graphs (the first one and last on as appeared on my screen) that can be correct since the others do not have a y-intercept of 3. Then, we can go to the next step which is determining the slope of the remaining lines. The first graph has a slope of -2/5 while the last one has a slope of 5/2. As a result, the first graph, or the graph that has the line with smallest slope showing in quadrant 1 and 2, is the graph of the line y=-2/5x+3.

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ElenaW [278]

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2 years ago

Why is it helpful to rewrite inequalities

mr_godi [17]

Answer:

that puts the solution in the form ...

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Step-by-step explanation:

It isn't always.

Often, we like to have a solution be in the form ...

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So, for an inequality, that puts the variable on the left:

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Personally, I like to see the answer in a form that has the variable and its values in the same relation as on a number line. This means, my preferred inequality symbols are < or ≤, since those have the smaller numbers on the left. I would write the first example above as ...

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The forms we choose to use are all about making communication as easy as possible.

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3 years ago

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Aleksandr [31]

6:2:3:4

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5 0

2 years ago

Please help me due tomorrow

Tom [10]

Given :-

The slope of the line through points (3,y) and (4,10) is 7 .

To Find :-

The value of y .

Solution :-

As we know that the slope of the line is difference of ordinate divided by the difference of absicca as ,

$\longrightarrow$ m = y -10 / 3 - 4

$\longrightarrow$ 7 (-1) = y -10

$\longrightarrow$ -7 = y -10

$\longrightarrow$ y = 10 -7

$\longrightarrow$ y = 3

Hence the required answer is 3.

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