3 years ago

Find the slope and y-intercept of -2x+5y=10

1 answer:

8 0

Simple...

you have:

-2x+5y=10

re-write in y=mx+b form...

-2x+5y=10
+2x +2x

5y=2x+10

Now divide....

5y=2x+10

$\frac{5y}{5} = \frac{2x+10}{5}$

y= $\frac{2}{5} x+2$

Now it's easy to see the slope and y-intercept...

Slope: $\frac{2}{5} x$

Y-intercept:2

Thus, your answer.

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3 years ago

What is the value of x?<br><br> x + 13 = 59

Volgvan

Answer:

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Step-by-step explanation:

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3 years ago

Expand and simplify (2x+5y) (x-3y)

Dmitry [639]

Should be simple:

Let's take this one at a time.

2x(x-3y)

You'd get:
$2x^2-3xy$
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2nd one:
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you'd get:
$+5xy-3y^2$

Put them both together:
$2x^2-3xy+5xy-3y^2$

Combine like terms.

Your Answer:
$2x^2+2xy-3y^2$

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3 years ago

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vovangra [49]

Answer:

1738

Step-by-step explanation:

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3 years ago

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wariber [46]

I believe D). 5 is the answer. If you clearly think about it, it actually might make sense. You just count the lines pointing from up to down.

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4 years ago