3 years ago

Is it possible for a logarithm to equal zero

Mathematics

1 answer:

tatyana61 [14]3 years ago

6 0

Yes it is. log(1) and ln(1) both equal zero. But you cannot take the logarithm of 0.

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Of means multiply
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Rewritten

.5•x=-.25

Inverse operations to isolate the variable.

x = -.25/.5

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HELP?!? idk what im doing and nobody has asked this. will give brainliest answrr or whatever its called.

Illusion [34]

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Answer:

$\textbf{A. }x=\dfrac{-4\pm2\sqrt{13}}{3}$

Step-by-step explanation:

First of all, subtract 12 from both sides of the equation to put it into standard form:

3x² +8x -12 = 0

Then identify the a, b, c of this form:

ax² +bx +c = 0

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Now use those values in the quadratic formula for the solutions:

$x=\dfrac{-b\pm\sqrt{b^2-4ac}}{2a}\\\\x=\dfrac{-8\pm\sqrt{8^2-4(3)(-12)}}{2(3)}\\\\x=\dfrac{-8\pm\sqrt{208}}{6}=\dfrac{-8\pm4\sqrt{13}}{6}\\\\\boxed{x=\dfrac{-4\pm2\sqrt{13}}{3}}\qquad\text{factor 2 from numerator and denominator}$

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2 years ago

How to factorise 15x-10x^3

ivann1987 [24]

The answer is 5x(3-2x^2)

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2 years ago

A part of Jennifer’s work is to solve the equation 2(6x^2-3)=11x^2-x is shown below

kotykmax [81]

Answer:

Step-by-step explanation:

2(6x² - 3) = 11x² - x

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Sum =1

Product = -6

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x(x + 3) - 2(x + 3)= 0

(x +3)(x - 2) = 0

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2 years ago