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3 years ago

9

Solve and graph |2x+10|>26

1 answer:

Maksim231197 [3]3 years ago

8 0

The answer is x > 8 or x < -18 then to graph it you would put a dot at 8 on a number line and put a line from the dot to every number greater than 8. then put a dot at -18 and put a line from that dot to every number less than -18. I tried my best to explain it, hope this helps!

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Quick algebra 1 question for 50 points!

saul85 [17]

Answer:

b. -x + y = 0

Step-by-step explanation:

<u />

<u>Direct variation</u>:

Direct variation means "y varies directly as x”:

$y \propto x \implies y=kx$

where k is the (non-zero) constant of variation.

To determine which of the given equations represents a direct variation, isolate y for each and compare with the <u>direct variation equation</u>.

<u>Equation a</u>

$y=\dfrac{4}{3}x-2$

This is not a direct variation equation as there is an addition of -2.

<u>Equation b</u>

$-x+y=0$

$\implies y=x$

This is a direct variation equation where the constant of variation is 1.

<u>Equation c</u>

$xy=8$

$\implies y=\dfrac{8}{x}$

This is not a direct variation equation as y is <u>inversely proportional</u> to x.

<u>Equation d</u>

$y=14$

This equation does not include the variable x, and so is therefore not a direct variation equation.

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Dvinal [7]

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