Question

Generic algebra help would be lovely

Answer 1

@jim_thompson5910

Answer 2

the real person who deserves the medal is @jim_thompson5910

Answer 3

yeah but you have attempted the problem too... so I give medals off based on explanations or attempts.

Answer 4

you can click on the best response button for jim to give him a medal. I can only medal once.

Answer 5

i shall and I will

Answer 6

so anyway we have an equation y = 500+50x
Every straight line can be expressed in the form y = mx +b where m = slope and b = y-intercept

Answer 7

hmm.. maybe rewriting this might help
y = 50x+500

Answer 8

This is all new to me so if you can explain this to me in really really really simple form it would be very much apreciated

Answer 9

however... there's also this fact too... to find the y-intercept, set x to 0

Answer 10

I could try... :/
your question is

A company is paying a local television station to run its commercials. The cost of running commercials is a one time campaign fee and also a per-second fee for the air time of each commercial. The cost can be modeled by the equation y = 500+50x where x is in seconds.
What is the y-intercept and what does it represent?

Answer 11

given . . .
the model of the equation is y = 500+50x
x is in seconds
the costs includes a one time campaign fee and also a per-second fee.

Answer 12

okay so I am going to figure out the y intercept

Answer 13

ok.

Answer 14

500?

Answer 15

to find the y-intercept we set our x to 0
y=500+50(0)
y =500+0 = 500

Answer 16

now we just have to figure out what that 500 means

Answer 17

okay...

Answer 18

I hate these riddles, teachers call math problems

Answer 19

It's based on word order. (I think?)
The cost of running commercials is a one time campaign fee and also a per-second fee for the air time of each commercial.

oh yeah those problems are irritating.

Answer 20

@jim_thompson5910 Helllllllppppppp D:!

Answer 21

@jim_thompson5910 please

Answer 22

I need a second opinion.. i know to find y-intercept set x to 0

Answer 23

UsukiDoll you have the right idea. Plug in x = 0

Answer 24

so I got 500, but what the heck does it represent?

Answer 25

yeah

Answer 26

the word order matters when it comes to these problems....I think it's campaign fee.

Answer 27

it's the one time fee you always pay no matter how much airtime you get

the +50x means "add 50 dollars per second of airtime used up"

Answer 28

but we set x to 0 when we had to find the y-intercept

Answer 29

so the campaign makes a downpayment of $500

if it uses 30 seconds of airtime, then it pays 50*30 = 1500 extra dollars

Answer 30

yeah plugging in x = 0

Answer 31

???????????????!

Answer 32

okay so.....you pre pay 500 dollars is that what it represents?

Answer 33

to find the y-intercept we set our x to 0
y=500+50(0)
y =500+0
y=500

Answer 34

but wow the labels D:

Answer 35

i know

Answer 36

let's break this down a bit

A company is paying a local television station to run its commercials. The cost of running commercials is a one time campaign fee and also a per-second fee for the air time of each commercial. The cost can be modeled by the equation y = 500+50x where x is in seconds.
What is the y-intercept and what does it represent?

Answer 37

`okay so.....you pre pay 500 dollars is that what it represents?`

yes, correct

Answer 38

that +50x must be the per-second fee ??

Answer 39

yeah, the 50 to be specific

Answer 40

okay.............

Answer 41

oh I see if x = 1 that's 1 second

Answer 42

50(1) = that's 50 bucks

Answer 43

it either represents a one time fee or a per second fee

Answer 44

but we need the initial fee too
y = 500+50(1) = 500+50 = 550 for one second

Answer 45

it's the setup initial fee... the x is the number of seconds.. so if you have 1 second airtime, that's $550

Answer 46

okay... so it is b?

Answer 47

y = 500+50x
for y -intercept if x = 0 we just have y = 500 that's just an initial fee with 0 seconds airtime

Answer 48

okay that makes some sense now!

Answer 49

yeah... 500 is the one time initial fee you're paying.. then for x = number of seconds your fee goes up

so if x = 50
y = 500+50(50)

500 <- initial fee
50<- airtime fee
x = 50 <-- seconds

here's your bill
y = 500+250 =750

Answer 50

oops I meant 500+2500 = 3000

Answer 51

lack of sleep x.x

Answer 52

ohhhhhhhhhhh okay this make sense now. So it's b

Answer 53

mhm :) yes it's b

Answer 54

Are we sure because like I said I cant mess up @jim_thompson5910 what do you think...B?

Answer 55

putting this in words
y = initial fee + airtime fee (seconds)
yeah it's good to have a second opinion

Answer 56

JUst to make sure even though it makes sense to me

Answer 57

@jim_thompson5910

Answer 58

I'm trying to find another tutor.. he is busy right now

Answer 59

hmmm

Answer 60

@perl help !

Answer 61

@perl help

Answer 62

you guys have it correct

Answer 63

yay!

Answer 64

are we sure?

Answer 65

yeah

Answer 66

yay!

Answer 67

kk im closeing this one and opening a new one!