Question

slope intercept? i need help really fast.
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FIND THE SLOPE AND Y-INTERCEPT OF THE GRAPH OF EACH EQUATION.
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1. y=3x-5
2. y= -5x +13
3. y= -x - 1
4. y= -11+ 6
5.y=-5
thanks

Answer 1

ok so slope intercept is in the form of mx+b=y

Answer 2

so the slope is mx and the y intercept is b

Answer 3

yeah i know i just don't know how to do it. explain

Answer 4

so for number 1
3 is the slope because it is m
m is the slope

Answer 5

so is number 2 -5 slope

Answer 6

-5 is b and the y intercept
-5 is tells u where the graph intersects with the y axis
it intercepts at 0,-5

Answer 7

can it be negative?

Answer 8

yeah

Answer 9

technically it is 5/1 because all numbers are fractions

Answer 10

but thats the same as a slope of 5

Answer 11

are u getting it now?

Answer 12

oh
kinda

Answer 13

for the last problem it says y=-5 right?

Answer 14

yeah

Answer 15

this is a slightly different type of problem then the rest

Answer 16

need to find m right

Answer 17

ok so problem 3 you have -x

Answer 18

yeah

Answer 19

the slope is -1 because there is always a one in front of one variable

Answer 20

for example
x can also be written as 1x
there fore when x is written as -x it means -1x

Answer 21

because 1x is basically it self

Answer 22

right

Answer 23

yep you got it!

Answer 24

the last two problems don't have a slope
they are horozontal lines

Answer 25

4 and 5?

Answer 26

yes because there is no x in the equation

Answer 27

because there is only y=a number it means that the line stays at that y value/ height forever

Answer 28

oops 4. y= -11x+ 6

Answer 29

oh ok

Answer 30

so in this one it says -11x + 6
so -11x is mx and 6 is b

Answer 31

so -11 is your slope

Answer 32

are you starting to see how this works?

Answer 33

the number in the equation next to x is the slope intercept right

Answer 34

it is the Y intercept

Answer 35

the number u see added to the x is always the y intercept in linear equations

Answer 36

*added or subtracted

Answer 37

i thought that was he y- intercept y=mx+b <<<---- b

Answer 38

the**

Answer 39

yes B is the y intercept

Answer 40

sorry if i confused u

Answer 41

okay okay i got a little confused there

Answer 42

its okay

Answer 43

ok so are you cool with all of this or do u have more questions

Answer 44

i mean i can try to finish it i kinda get it but i'm not like a pro yet, ya know

Answer 45

but thanks tho

Answer 46

dont worry practice at this stuff will make u better
its always confusing at first

Answer 47

wait i do have this problem farther in the chapter you can clearify

Answer 48

sure

Answer 49

Write an equation in slope-intercept form of the line that passes through the given point.
19. (3,5) and (0,4)
20. (2,6) and (-4,_2)

Answer 50

points**

Answer 51

ok so do u know how to calculate slope?

Answer 52

Select one to be (x1, y1) and the other to be (x2, y2)

Answer 53

?

Answer 54

ok so this is the formula u need to know
its rise over run
so
y1-y2/x1-x2

Answer 55

okay

Answer 56

when u use this formula it will give u your slope or m

Answer 57

okay good so far

Answer 58

After you calculate your slope you have your slope and your points
So to find the y intercept you need to solve for b by setting up your equation like this
First choose one of the points given to use in the equation to solve for b
then put in the y coordinate in for the y in the equation
then put your slope in the equation and solve for b

Answer 59

ill demonstrate on the first one

Answer 60

okay

Answer 61

3,5 and 0,4
4-5/0-3=slope
-1/-3=slope
1/3=slope

y=mx+b
y=5 x=3 m=1/3 b=?
5=1/3*3+b
5=1+b
4=b

The Formula is
y=1/3x+4

Answer 62

oh my god.

Answer 63

Ok you can see that I solved for the y intercept
I didn't need to that for this problem because one of the coordinates given was the y intercept
whenever you see a point with zero as the x value and a number for the y value remember that is the y intercept
from there then u can easily get the b value

Answer 64

u want me to explain more?

Answer 65

do u understand the substitution

Answer 66

I got the y and x values I used to find the B from one of the coordinates given to me

Answer 67

okay on a scale of 1-10 how easy is this for you

Answer 68

1 but i have been doing this a long time
when i first did this it was hard

Answer 69

dont worry things always start out tough

Answer 70

is it like pypythagorean theorem easy? and 10 being easiest

Answer 71

it depends if you have to square root any weird numbers

Answer 72

mmm okay

Answer 73

ohh 10 is easiest i though 1 was

Answer 74

https://www.youtube.com/watch?v=u3spOO-m_Gg that video really helps but i feel like it has nothing to do with my assignment

Answer 75

ill take a look

Answer 76

okay

Answer 77

ok i didn't watch the whole thing (sorry i still have some of my own hw so I can't take all day) but I would highly recommend khan academy videos
I know those are a little fast paced but they are really good
ur video seemed ok it wasn't super clear based on what i read from the subtitles and clarity is important when learning math

Answer 78

yeahh

Answer 79

so how are feeling about slope intercept form on a scale of 1 to 10 10 being completely lost and 1 being a pro at it

Answer 80

6

Answer 81

ok do understand a little better than before hopefully?

Answer 82

yeah

Answer 83

ok thats GOOD

Answer 84

I'm glad I could help

Answer 85

thanks buddy

Answer 86

I have to get back to my HW so good luck on yours ok

Answer 87

no problem :)

Answer 88

okay how old are u anyways

Answer 89

umm im kinda strict about giving imfo away on the internet

Answer 90

sorry

Answer 91

yeah guess your rightt. but thanks tho

Answer 92

yeah good luck on future hw tests quizzes midterms and finals

Answer 93

Bye:)

Answer 94

see yah

Answer 95

bye