Question

I need help ! fan and medal!

Answer 1

im here to help

Answer 2

@tylerraymond4

Answer 3

mmmm 1 is 8,0

Answer 4

I need a equation

Answer 5

lol

Answer 6

@breanna.rae What part are you not getting?

Answer 7

all of it, I'm not good at this at all

Answer 8

So for a, we need to write the equation for line 1, it is a horizontal line intercepting the y axis at 8. How do you write that?

Answer 9

I really don't know

Answer 10

If you wanted to write a line that had a slope of 3x and intercept 8 on the y axis, you would write

\[y = 3x + 8\]

Since Line 1 has no slope, but intercepts 8 on the y axis, we just write

\[y = 8\]

Answer 11

Do you get it?

Answer 12

ohh okay yes I understand I think

Answer 13

What are you unsure about?

Answer 14

wait where did you get 3x from..?

Answer 15

this is simple math girl!

Answer 16

It was just an example..

Answer 17

ohh nvm you were just using 3x as an example?

Answer 18

so it would be 0x+8=y

Answer 19

Remember that 0 times any number, is 0, therefore it would just be y = 0 + 8

Answer 20

okay thank you, for line 2, would be something like, 2.5x+-2??

Answer 21

I'm sorry if I'm wrong, I'm not good at understanding this stuff

Answer 22

@ShadowLegendX u rock i medald u cuz ur doing amazing!

Answer 23

Line 2 has a line of

\[y = \frac{ 3 }{ 4 }x - 2\]

Answer 24

Remember that slope is rise over run

We had the point at -2, and our next point had risen up 3 units on the y axis, not 2.5. So we know that our rise is 3. Then we run over 4 units, to the right, to our next point, on Line 2.

Answer 25

That is how I got 3/4x

Answer 26

ohhh omg ok thank you so much

Answer 27

Do you know how to find a line that is parallel, and another line that is perpendicular, to line 2?

Answer 28

no xD I'm sorry

Answer 29

When two lines are parallel, it means that they both have the same slope, and therefore will never intercept each other.

Answer 30

If you have taken geometry(or if you will) you will know/find out that shapes are defined a lot based on their sides, and if they are parallel or perpendicular.

This is used primarily when categorizing parallelograms.



This is a trapezoid, the line on the top, and the line on the bottom, will never intercept each other because they are parallel, if they were to run off to both sides infinitely.

Answer 31

They will never hit each other, because they will both be rising by the same amount of units, then running by the same amount of units

Answer 32

I'm taking geometry right now lol, I know what parallel lines are

Answer 33

Then how do we create a line parallel to Line 2

Answer 34

\[\frac{ 3 }{ 4}x -4\]

Answer 35

Correct

Answer 36

Remember to put y =

Answer 37

right thank you

Answer 38

Now what about a line perpendicular to

\[y = \frac{ 3 }{ 4 }x - 2\]

Answer 39

Do you know the definition of a perpendicular line?

Answer 40

yes its a line that intersects at a right angle

Answer 41

So what can you do to create such a line?

Answer 42

idk how to put it into an equation

Answer 43

Do you know how to get a slope that is perpendicular to 3/4x

Answer 44

ugh nooo xc

Answer 45

I'll give you a hint, maybe it'll jog you memory.

Opposite

Answer 46

your*

Answer 47

I would use negatives?

Answer 48

Close, but not quite there yet

Answer 49

or add instead of subtract

Answer 50

I'm sorry that I'm not understanding

Answer 51

I'll give you the full hint, opposite reciprocal

Answer 52

Opposite is talking about the sign, so instead of a positive, put a negative

Answer 53

And, a number multiplied by it's reciprocal, is 1

For example ;p

\[\frac{ 3 }{ 4 } \times \frac{ 4 }{ 3 } = \frac{ 12 }{ 12 } = 1\]

Answer 54

So we need the reciprocal, with an opposite sign

Answer 55

\[-\frac{ 3 }{ 4 }x-2=y\] would this be right then?

Answer 56

No

Answer 57

Remember, reciprocal

Answer 58

when I graph it, it intersects into a right angle?

Answer 59

Yes

Answer 60

so why would that be wrong?

Answer 61

Because you did not use the reciprocal of 3/4

Answer 62

so how would I use that in the equation

Answer 63

I showed you the reciprocal of 3/4, a couple posts ago

Answer 64

yes I know \[\frac{ 3 }{ 4} \times \frac{ 4 }{ 3 } = \frac{ 12 }{ 12 } =1\]

Answer 65

So 4/3 is the reciprocal of 3/4, and you know what an opposite is. So create the opposite reciprocal of 3/4

Answer 66

\[-\frac{ 3 }{ 4 }\times-\frac{ 4 }{ 3 }\] ?would that be right

Answer 67

The opposite reciprocal of 3/4x is

\[-\frac{ 4 }{ 3 }x\]

Answer 68

OHHHHHHH so it would be \[-\frac{ 4 }{ 3 }x-2=y\]

Answer 69

is that right? or am I wrong again?

Answer 70

You're right

Answer 71

You got it now?

Answer 72

THANK GOODNESS, thank you so much it means a lot, I understand it I think, thank you thank you

Answer 73

No problem

Answer 74

have a great day