3 years ago

PRE CALC HELP PLEASE

Mathematics

1 answer:

olya-2409 [2.1K]3 years ago

4 0

Answer:

True.

Step-by-step explanation:

The function is indeed a polynomial. We have the single variable $x$ plus a constant $\pi$ (it's irrational, but it's still simply just a constant number). This fits the definition of polynomials.

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8th grade algebra question

Nonamiya [84]

Answer:

x-int : 6, y-int : 9

Step-by-step explanation:

Hope this helps :)

Let me know if you want a full explanation

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3 years ago

What is the simplified form of -(x-4) -x-4 -x+4 X+4 X-4 Show your work

Sphinxa [80]

Answer:

Step-by-step explanation:

X-4

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3 years ago

What is the value of m, if the equation my2+2y−4=0 has exactly one root?

stich3 [128]

Answer:

$m=\frac{-1}{4}$

Step-by-step explanation:

A quadratic equation has one root if the discriminant is 0.

That is we need $b^2-4ac=0$ for this particular question.

Compare the following to find $a,b, \text{ and } c$ :

$ax^2+bx+c=0$

$my^2+2y-4=0$

The variable $x$ is representative of the variable $y$ here.

$a=m$

$b=2$

$c=-4$

Plug in into $b^2-4ac=0$ :

$(2)^2-4(m)(-4)=0$

$4+16m=0$

Subtract 4 on both sides:

$16m=-4$

Divide both sides by 16:

$m=\frac{-4}{16}$

Reduce:

$m=\frac{-1}{4}$

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3 years ago

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Evaluate the expression n ÷ 5 for n = 3.2. A. 0.064 B. 0.604 C. 0.64 D. 6.4

Licemer1 [7]

Answer:

n/5

substitution for n = 3.2

3.2/5

0.64

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3 years ago

How do you solve -(-7)

tresset_1 [31]

The answer to -(-7) is 7

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