3 years ago

How to solve 19,20,21??????

Mathematics

1 answer:

Doss [256]3 years ago

3 0

Answer:

19. undefined, thus no answer

20. yes, answer is 0

21. yes, answer is 5

Step-by-step explanation:

all requires application on the laws and special cases of logarithm

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Find the slope-intercept form of the line whose slope is 5 and that passes through the point left (-2,8)

Doss [256]

$\text{The slope-intercept form:}\ y=mx+b\\\\\text{m-a slope; b-a y-intercept}$

$\text{We have:}\\m=5\\\text{therefore}\ y=5x+b$

$\text{We know, the line passes through the point}\ (-2;\ 8)\to x=-2;\ y=8\\\\\text{substitute the values of x and y to the equation of the line:}\\\\8=5(-2)+b\\\\8=-10+b\ \ \ |+10\\\\b=18$

$\text{Your answer:}\ y=5x+18$

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Step-by-step explanation:

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Answer:

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Step-by-step explanation:

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Step-by-step explanation:

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