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2 years ago

Find the slope of the line that passes through each pair of points (8,2) (8, -1)

Mathematics

1 answer:

mash [69]2 years ago

5 0

Answer:

Undefined

Step-by-step explanation:

Use the following formula to solve for slope:

$\frac{y_2-y_1}{x_2-x_1} =m$

$m=\frac{(-1)-2}{8-8}$

$m=\frac{-3}{0}$

The equation is not a function and therefore the slope is undefined because there are multiple y values for a single x value.

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Which fraction is equivalent to 1/2 • 4/3 divided by 5/6 ?

Katen [24]

I believe the answer you are looking for is 4/5.

Solution:

1/2 • 4/3=2/3

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3 years ago

Which function below is the inverse of f(x)= 3x+5/7

Ipatiy [6.2K]

Inverse
replace f(x) wih y
solve for x
replace x with f⁻¹(x) and y with x

so

f(x)=3x+5/7
replace
y=3x+5/7
solve for x
minnus 5/7 both sides
y-5/7=3x
divide both sides by 3
$\frac{y- \frac{5}{7} }{3}$ =x
replace with f⁻¹(x)

f⁻¹(x)= $\frac{y- \frac{5}{7} }{3}$

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3 years ago

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What is this please help?

mestny [16]

Answer:

y = 2/3x - 1

Step-by-step explanation:

The simpliest way to determine the slope of the line is to see the rise over run of the line. In this case, we are given two points which are at (0, -1) and (3,1)

By calculating rise of run, we can see that the starting point goes up by 2 units, from -1 to 1 and goes to the right 3 units, from 0 to 3

In this case, that means we have a slope of 2/3x.

The +b plays into the y-intercept of the line, which is actually the same of one of our points: (0,-1)

Since this number is a negative, it would actually be y = (2/3)x + (-1) which is the same as y=2/3x - 1

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2 years ago