Question

i need halp with more khan academy. (its a different topic than what i just posted like 15 mins ago, it just looks similar)

Answer 1

the dreaded khan academy

Answer 2

who should i ping for this?

Answer 3

@umm you had human calculator so i ping you

Answer 4

um yeah i am so bad at math

Answer 5

@darkknight

Answer 6

im pinging people with math titles

Answer 7

i would ping mira shes good at math i think

Answer 8

@MiraAngel

Answer 9

@silvernight269

Answer 10

@justus @Pixel

Answer 11

there i pinged all the peeps with math titles i need halp D:

Answer 12

yay silver lol

Answer 13

SILVERRRR do you know how to do this?

Answer 14

kirby son theres a thing called watch video. Its khan academy

Answer 15

but i dont get it D:

Answer 16

gimme a few ill try it

Answer 17

what is the point slope formula

Answer 18

absolutely no idea

Answer 19

lol silver

Answer 20

y-y₁=m(x-x₁)

Answer 21

y-y1=m(x-x1)

Answer 22

basically what mira said.

Answer 23

it says that is has a wrong variable letter

Answer 24

m is slope. Do you know how to find slope?

Answer 25

i know nothing abt this D:

Answer 26

Okay well just remember rise over run... y2-y1/x2-x1

Answer 27

Geez! I'm sorry Silver! This is your question! You answered first. That was rude. Go ahead.

Answer 28

ok, well i also put in the thing and it said there an unknown variable

Answer 29

hang on lemme check something real quick

Answer 30

Okay

Answer 31

yeah i do not understand any of this

Answer 32

Okay, you know how to take the slope?

Answer 33

it said the answer is y-(-1)=3/4(x-1)

Answer 34

and no

Answer 35

hang on i gotta restart it now that it gave me the hints, it counts it as wrong

Answer 36

heres the new problem

Answer 37

Alright, same steps are needed for this problem. Basically you need to find the slope
which I am going to call m
\[m = (y2 - y1)/(x2-x1)\]

(the 1's and the 2's above supposed to be in subscript

Answer 38

Okay. You need to find slope. y2-y1/x2-x1
(x1, y1) (x2, y2)
(1, -1) (5, 2)

Answer 39

Sooooo

Answer 40

6-1=5

Answer 41

-2-1=-3?

Answer 42

no, you have to take the slope, so first you take the change in the y values

Answer 43

i did that

Answer 44

What is 2 minus -1?

Answer 45

ohhh

Answer 46

wait -2 and 1 are the x values tho

Answer 47

6 and 1 are the y values

Answer 48

(-2, 6) (1, 1)
m= y2-y1/x2-x1
1-6/1-(-2)
-5/3

Answer 49

Nope other way around, y values are after x values
written like this
(x,y)

Answer 50

exactly

Answer 51

and look at the picture

Answer 52

i thought i had it for a second and i didnt and i got it wrong.... OK IMMA REPOST ONE LAST TIME

Answer 53

there it is

Answer 54

y-y₁=m(x-x₁)
y-6= (-5/3) x+2

Answer 55

mira thank u but i already got it wrong, i thought i had it but i didnt, heres the new one

Answer 56

kk
First slope. Can you remind me what the formula for that is?

Answer 57

bro @BestBoiKirby don't try doing it without knowing what you are doing. Do you know how to calculate slope?

Answer 58

so its x-x over y-y right?

Answer 59

wait no y-y over x-x

Answer 60

with x on bottom and y on top

Answer 61

right?

Answer 62

First, write out what you know...
(-1, 6) and (1, 5)
y-6=.....
y-y1=m(x-x1)

Slope:
m= y2-y1/x2-x1
5-6/1-(-1)
m= -1/2

y-6= (-1/2) x-(-1)
y-6=(-1/2) x+1

Answer 63

huh?

Answer 64

I did the whole problem... There's all my work

Answer 65

OHHH i thought that was just one step

Answer 66

hang on so thats how u do it for every dingle one?

Answer 67

...

Answer 68

The main thing you need to focus on and find is slope, which is M. It gives you everything else and you can input it into the equation easily.

Answer 69

Yeah

Answer 70

okie, ill post on here again if i have anymore issues, thank you!

Answer 71

Okay! Great! Good luck! :)

Answer 72

it says that was wrong

Answer 73

i put this one there y-6=(-1/2) x+1

Answer 74

y-6= (-1/2) x-(-1) but it said the step before was the correct answer

Answer 75

Oh. Okay. Well those two are technically the same thing. I just reduced it further. I would recommend emailing or talking to your teacher. Just let them know that you changed the minus negative into a plus type of problem. Two negatives equal a positive.... I just reduced it. The problem didn't

Answer 76

oh okie

Answer 77

actually u did something wrong here
y-6=(-1/2) x+1
just means that -1/2 is being multiplied to x, not x+1,
YOu need to write it like this
y-6=(-1/2) (x+1)

Answer 78

^^^^ That makes sense too. lol That's why having a second/ third mind available is always safe. ^_^