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Bumek [7]
3 years ago
10

Graph the linear equation in three plots: -x+2y=11

Mathematics
1 answer:
MariettaO [177]3 years ago
3 0

Answer:

<h2>In the attachment.</h2>

Step-by-step explanation:

Convert the given equation to the form y = mx + b:

-x+2y=11          <em>add x to both sides</em>

2y=x+11          <em>divide both sides by 2</em>

y=\dfrac{1}{2}x+\dfrac{11}{2}

It's a linear function.

We need only two points to plot the graph. Select any two x values, insert into the equation and calculate y values.

for x = 1

y=\dfrac{1}{2}(1)+\dfrac{11}{2}=\dfrac{1}{2}+\dfrac{11}{2}=\dfrac{12}{2}=6\to(1,\ 6)

for x = -5

y=\dfrac{1}{2}(-5)+\dfrac{11}{2}=-\dfrac{5}{2}+\dfrac{11}{2}=\dfrac{6}{2}=3\to(-5,\ 3)

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+{-x2y+[-(x2y-2xy2+y2)+(-xy2-3y2+x2y)]-(10y2-x2y)}
Kay [80]

Answer:

3xy² -  14y²      

Step-by-step explanation:

I hope that this is the problem

   - x²y + [ - (x²y - 2xy² + y²) + (xy² - 3y² + x²y)] - (10y² - x²y)

= - x²y + [ - x²y + 2xy² - y² + xy² - 3y² + x²y] - 10y² + x²y

Now combine like terms in the [  ].

= - x²y  + [ -x²y + x²y + 2xy² + xy² - y² - 3y² ] - 10y² + x²y

= - x²y  + [ 0 + 3xy² - 4y²] - 10y² + x²y

= - x²y + 3xy² - 4y² -10y² + x²y                      Now combine like terms

=   (-x²y + x²y) + 3xy² + (-4y² - 10y²)

=       0 + 3xy² - 14y²

=  3xy² -  14y²       or    y²(3x - 14)

6 0
2 years ago
Which graph represents a function with direct variation?
natka813 [3]

Answer:

<u>Option C</u><u> </u>on edg.

Step-by-step explanation:

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2 years ago
4(b-2)-10=2(b+3)<br> B=<br> PLEASE HELP ME!!!! Show work too
AnnyKZ [126]

Answer:

B = 12

Step-by-step explanation:

Give Brainllest plz

3 0
2 years ago
What is x divided by 8 greater than equal to 9
Stolb23 [73]

Answer:

x≥72

Step-by-step explanation:

Put into an equation then solve.

x/8≥9

x8    x8

x≥72

Hope that helped!

4 0
3 years ago
The sum of three different positive integers is 7. What is the product of these three<br>integers?​
ioda

Answer:

2+1+4=7

Step-by-step explanation:

Just break apart your number.

since we are using (7), I just took a bit away from it.

so, 7-2=5

then, i broke apart 5 into 2 pieces.

5-4=1

so, 4, 1, and 2 work for this problem  

8 0
3 years ago
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