Write the equation of the line that passes through (–2, 6) and (2, 14) in slope-intercept form.
y = 2x – 2
y = 2x + 10
y = 0.5x + 7
y = 0.5x – 4

- anonymous

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- anonymous

please help

- anonymous

@BweadedChicken

- anonymous

y2 - y1 / x2 - x1 <-- first formula, put everything in place then let me see

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## More answers

- anonymous

14-6 \2-(-2)

- anonymous

alright, so thats 8/4
which is 2, that was the formula for the slope

- anonymous

ok

- anonymous

m = 2 now, cause were using M as a symbol of slope...
pick an equation, -2, 6 or 2, 14?

- anonymous

-2,6

- anonymous

y - y1 = m(x - x1) plug everything in

- anonymous

y-6=2(x-(2))

- anonymous

what would y and x be to plug in

- anonymous

y and x aint plug ins, theyre just y and x

- anonymous

ok

- anonymous

id give u the answer, but "Im not allowed to" xD, but distribute the 2 to the ()'s

- anonymous

a?

- anonymous

oh wait no

- anonymous

no, its B

- anonymous

and u get 10 from the distribute right?

- anonymous

can i ask one more? :|

- anonymous

holy hell, my computer lagged, but yeah

- anonymous

Write the equation of the line that passes through (3, –2) and has a slope of 4 in point-slope form.
y + 2 = 4(x – 3)
y – 3 = 4(x + 2)
x – 3 = 4(y + 2)
x + 2 = 4(y – 3)

- anonymous

alright, we can skip the first part which was y2 - y1 / x2 - x1 cause they already gave u the slope...

- anonymous

yea

- anonymous

\[y - (-2) = 4(x - 3)\]

- anonymous

distribute the 4 to (x-3)

- anonymous

oh wait, i already gave u the answer xD

- anonymous

its A

- anonymous

oh lol i was about to go through lol thx :)

- anonymous

lol sorry, and np

- anonymous

Anne has a total of 3,500 golf balls at home. She loses some golf balls when she goes out on the driving range daily. The number of golf balls, h(x), can be represented by the function h(x) = –150x + 3,500, where x is the number of days she plays golf. Suppose 3,500 changed to 4,000. What does this mean in the context of the problem?
Changing 3,500 to 4,000 means the initial number of golf balls decreased.
Changing 3,500 to 4,000 means the initial number of golf balls increased.
Changing 3,500 to 4,000 means the daily number of golf balls lost decreased.
Changing 3,500 to 4,000 means the daily number of golf balls lost increased.

- anonymous

and that would be D right?

- anonymous

this is the last i promise haha

- anonymous

Im not 100% sure cause it says 3500 is how much she has at home, so in a way its increased, but also decreased cause she can lose em all

- anonymous

im thinking it would be B

- anonymous

ok

- anonymous

because its the start off amount, the -150x is how much she loses a day

- anonymous

yea so thats why I'm lost cuz in a way its decreasing and increasing

- anonymous

its alright, ask me as much questions as u want any time im online, im usually only chatting anyways, but i gotta head out, cya!

- anonymous

ight thx again

- anonymous

thx bro i got a 100%

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