2 years ago

A function has cheating x's. True False

Mathematics

1 answer:

Assoli18 [71]2 years ago

8 0

True
Hope this helps
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Solve.<br> x^2+9x+2=0<br> thanks!

shtirl [24]

Step one:
ALWAYS set equation equal to zero, which in this case has already been done for us.

Step two:
Figure out what formula you need to use in order to solve in this case I'd use the Quadratic formula.

a=1
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c=2

Quadratic formula:
$x = \frac{ - b + - \sqrt{(b) ^{2} - 4(a)(c)} }{2(a)}$
Then you would plug in the information.
$x = \frac{ - 9+ - \sqrt{(9) {}^{2} - 4(1)(2) } }{2(1)}$
The solve for what is underneath the square root ONLY.
$x = \frac{ - 9 + - \sqrt{73} }{2}$
Since you cannot solve this any further, your final two answers are...
$x = \frac{ - 9 + \sqrt{73} }{2}$
$x = \frac{ - 9 - \sqrt{73} }{2}$

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A stack of paper is 8 1/2 in. long by 11 in. wide by 4 in. high. What is the volume of the stack of paper?

Fynjy0 [20]

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76225÷309 with remainder

Marianna [84]

The answer is <span>246.682848</span>

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