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Naya [18.7K]
2 years ago
10

How do i find the slope

Mathematics
1 answer:
rusak2 [61]2 years ago
6 0
Use the slope formula: y2-y1 over x2-x1 with two coordinate pairs that are shown on the graph.
(12,40)
(8,80)
If you substitute the coordinates in the formula; x1= 12, y1- 40, 8 = x2, 80 = y2
The slope will be -10.
I think. Hope that helped.
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3 years ago
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SVETLANKA909090 [29]

Answer:

y = 5x + 4

Step-by-step explanation:

First I found the slope by using the the definition that slope is rise/run so I saw that the y value went up from 4 to 9 which is 5 units and then the x value went up one in that same time. This means that the slope is 5/1. Then I found the y intercept by seeing where x = 0. On the graph you can see the line touches the y - axis at a value of 4 which means that the y - intercept is 4. Plugging these values into the y = mx + b equation you get y = 5x + 4.

8 0
3 years ago
Read 2 more answers
Are the lines described by the equations y=x+2 and x+y=6 intersecting, coinciding, or parallel? Explain
Novosadov [1.4K]
<span>y = slope*x + y-intercept;
</span>We can rewrite our equation in a shorter form : y = mx + b;
y = x + 2 ; m1 = 2 and b1 = 2;
y = -x + 6; m2 = -1 and b2 = 6;
<span>Set the two equations for y equal to each other:
</span>x + 2 = -x + 6 ;
<span>Solve for x. This will be the x-coordinate for the point of intersection:
</span>2x = 4;
x = 2;
<span>Use this x-coordinate and plug it into either of the original equations for the lines and solve for y. This will be the y-coordinate of the point of intersection:
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y = 4;
<span>The point of intersection for these two lines is (2 , 4).</span>

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Answer:

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Hope this helped!

If you would like me to simplify it a little let me know.

8 0
3 years ago
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