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3 years ago

-2x+8y-4parallel perpendicularneitherplease help asap!*

Mathematics

1 answer:

guapka [62]3 years ago

4 0

Answer:

Step-by-step explanation:

y = m x + b

Then we can read the slope right off the equation: it is the number

represented by m.

I'll help you get one into this form:

Start with -2x+8y-4

Then add 4 to both sides: -2x+8.

Then divide both sides by 4: y = 3/4 x + 6/4.

This means that the slope is 3/4.

Try the other one on your own and reduce the slope to the smallest

possible fraction.

Now, what does this mean? If the slopes are the same, it means the two

lines are parallel. If one slope is the negative reciprocal of the

other, then the two lines are perpendicular. To get the negative

reciprocal of a number, put one over the number and then make it

negative. So:

if the number is its negative reciprocal is

2 -1/2

3/10 -10/3

-3/2 2/3

So if the two lines had these respective slopes, they would be

perpendicular.

If the slopes are neither the same nor negative reciprocals, the lines

are neither parallel nor perpendicular.

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The lines are perpendicular. Find the slope-intercept form of the equation of line y₂

Alex17521 [72]

When you want to find the slope of the perpendicular line, all you have to do is flip the known slope upside down and make it negative. You know that $y_{1} 's$ slope is 3 and you know $y_{2}$ is perpendicular. So, just flip 3 upside down into $\frac{1}{3}$ and then make it negative, - $\frac{1}{3}$ . If you look at the coordinate grid, you can see that $y_{2}$ crosses the y-axis at 4. When you put those into slope-intercept form you get $y_{2}$ = - $\frac{1}{3}$ x + 4.

4 0

3 years ago

I don't know how to do this

Dvinal [7]

$a_1=2;\ r=-\dfrac{3}{2}\\\\a_2=a_1r\to a_2=2\cdot\left(-\dfrac{3}{2}\right)=-3\\\\a_3=a_2r\to a_3=-3\cdot\left(-\dfrac{3}{2}\right)=\dfrac{9}{2}\\\\a_4=a_3r\to a_4=\dfrac{9}{2}\cdot\left(-\dfrac{3}{2}\right)=-\dfrac{27}{4}\\\\a_5=a_4r\to a_5=-\dfrac{27}{4}\cdot\left(-\dfrac{3}{2}\right)=\dfrac{81}{8}$

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4 years ago

A study of 218 students at a major state university suggests a link between time spent on social networking websites and grade p

zheka24 [161]

Answer:

a) The study suggests a negative correlation because the study shows that as time spent on social networking websites Increases, grade point average tends to decrease.

b) While it is possible that there is a cause and effect relationship, it is not necessarily the case.

Step-by-step explanation:

Since the study submitted that, students who rarely never used social networking websites had higher grade point averages than students who use social networking websites. It implies a negative relationship. Thus, the option given above is the correct answer.

Similarly, the study might imply some cause and effect relationship but it is not necessarily to be the case. That is, low grade point could result into more time with social networking website. This is not necessary to be TRUE!

4 0

3 years ago

Question #1: Graph: − 3 ≥ x − y .

FromTheMoon [43]

Hi there,

I used the Desmos graphing calculator to graph the point -3≥x-y and this is what i got

Your coordinate points will be (0,3) and (-3,0)

Hope this is correct :)

Have a great day

5 0

3 years ago

What is the equation of the line shown in this graph?

ANEK [815]

Answer:

y = 1

Step-by-step explanation:

The equation of the line is y = 1

4 0

3 years ago

-2x+8y-4*parallel *perpendicular*neither*please help asap!*​

-2x+8y-4parallel perpendicularneitherplease help asap!*