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34kurt
3 years ago
8

What is the equation of a line with a slope of ​3​ and a point

Mathematics
1 answer:
seraphim [82]3 years ago
8 0
Answer: y = 3x-8

------------------------------------------------
------------------------------------------------

Explanation:

The slope is 3, so m = 3

The given point is (3,1) meaning x = 3 and y = 1. The x coordinate is always listed first in an ordered pair. The general format is (x,y)

We'll use m = 3, x = 3 and y = 1 to find the y intercept

y = mx+b
y = m*x+b
1 = 3*3+b ... plug in m = 3, x = 3 and y = 1
1 = 9+b
1-9 = 9+b-9 ... subtract 9 from both sides
-8 = b
b = -8

----------------

So we're given m = 3 as the slope and we just found that b = -8 is the y intercept

So y = mx+b updates to y = 3x-8. This is the final answer.

----------------

Side Notes:
* The slope of 3 means rise/run = 3/1 indicating each time we go up 3, we move to the right 1
* The y intercept -8 is the location on the vertical y axis numberline where the graph crosses. The point (0,-8) is on this line.

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Answer:

$22.67

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<span>When given 3 triangle sides, to determine if the triangle is acute, right or obtuse:
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Source:
http://www.1728.org/triantest.htm


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Can anyone help? <br><br> If arcLM = 8x-56 and arcNP = 5x+22, find arcLP.
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Answer:

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Step-by-step explanation:

Given the following

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