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stepladder [879]
3 years ago
12

Which of the following are solution to 2X squared minus 8X -90

Mathematics
1 answer:
svetlana [45]3 years ago
4 0

Answer:

2(x+5)*(x-9)

Step-by-step explanation:

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PLZZZ HELPPP ME ASAP!!!
Sonja [21]

Answer:

Not a function.

Does not pass vertical line test.

B.

Step-by-step explanation:

Something called a vertical line test is used to determine if a relation that has been graphed is a function or not.

We say if it passes then it is a function.

It will pass if you are able to draw infinitely many vertical lines covering the whole graph and each vertical line either touches your relation once or none.  

If a single vertical line that you draw touches more than once, then it isn't a function.

When I say draw, I don't mean you should physically do it, but more so imagine it.

Now this particular relation is not a function because I can find a vertical line that touches more than once.  Take the vertical line x=5 for example.

It will touch at (5,-6) and (5,6). You cannot have an x assigned to more than one y.

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3 years ago
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valkas [14]

Answer:b

Step-by-step explanation:

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Marysya12 [62]

Answer:

1/4

Step-by-step explanation:

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3 years ago
There are no solutions to the system of inequalities shown below.
mixer [17]

Answer:

False, there are actually infinite solutions as these are parallel lines.

Step-by-step explanation:

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3 years ago
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30 km - 12.35 km - 3.75 km hope this helps :)
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