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mr_godi [17]
3 years ago
15

What is the answer to y-2x=2

Mathematics
2 answers:
OleMash [197]3 years ago
7 0
Y - 2x = 2 ....put in y = mx + b form
y = 2x + 2

In y = mx + b form, the slope will be in the m position and the y intercept will be in the b position.

y = 2x + 2.....so we have a slope(m) of 2, and a y int (b) = (0,2)

the x intercept can be found by subbing in 0 for y and solving for x
0 = 2x + 2
-2x = 2
x = -2/2
x = -1......so the x int is (-1,0)

go ahead and plot ur intercepts....(-1,0) and (0,2)......and since ur slope is 2, start at (-1,0) and go up 2 spaces and to the right 1 space, then up 2 and to the right 1........thats ur line and it crosses the y axis at (0,2)


postnew [5]3 years ago
5 0
Attached below is a picture of what the graph should look like. What I did was set the equation equal to y like this:

y - 2x = 2...................................................................Add 2x to both sides

y = 2x + 2..................................................................Now just plug numbers in x values and find out what y would equal according to the x values given

For example:

If x = 0:

y = 2(0) + 2

y = 2

That means that your ordered pair is (0,2)

Continue with this to find at least 3 or 4 ordered pairs and then graph and connect the dots to make your line :)

I hope this helped!! Have an amazing day!! :D 

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x - y + z = 8

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Step-by-step explanation:

[1 - 1  1  8]

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[3 -2 -9  9]

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Observe that the first and the second player have equal probability to get any of number. Using the principle of that symmetry, we have that  

P(X=0)=\frac{1}{2}

<u>Event X = 1 </u>means that the first player has got greater number than the second player, but not than the third player. So, choose any three numbers out of five of them and say that the minimal number out of these three goes to the second player, mean number to the first one and the largest to the third one. Permute remaining two numbers on remaining two people. Hence

P(X=1)=\frac{1}{6}

<u>Event X = 2</u> means that the first player has got greater number than the second and the third player, but not than the fourth player. So, choose any four numbers out of five of them and say that the minimal number and the next minimal out of these four go to the second and the third player (and permute them), third number to the first one and the largest to the fourth player. Give remaining number to the last person. Hence

P(X=2)=\frac{1}{12}

<u>Event X = 3</u> means that the first player has got greater number than the second, the third, and the forth player, but not than the fifth player. So, permute these five numbers as follows: give the highest to the last person, the second highest to the first, and permute remaining numbers on the remaining people. Hence  

P(X=3)=\frac{1}{20}

<u>Event X = 4</u> means basically the first player has won all the battles i.e, he has got the greatest number. Hence

P(X=4)=\frac{1}{5}

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