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y = mx + b m is your slope b is the y intercept
So it would be A then? @vocaloid
But where does the 1 part come from?
x = 1*x
like, when we have a variable with no coefficient, the implied coefficient is 1
Oh okay, so this one would be D then..?
I think it's B..
hm, not B, let's take it step by step
if one orchid costs r dollars, then 11 orchids cost 11*r, with me so far?
Yeah, sorry I was called away.
Yeah, I'm with you still
good, it also says they bought 1 vase for 4 dollars, so our total cost is 11r + 4
it says that C represents cost, so any ideas on what the answer is?
D. C=11r + 4
good ^^ any other questions?
Yeah, two more c:
well, slope-intercept form, like I said before, is just y = mx + b so let's copy down what we have: 3x + 9y = 18 start by dividing everything by 3
*actually divide everything by 9, not 3
So solve 3x + 9y =18, right? x=6-3y
you kind have the right idea, but you want to "solve" for y, not x
so you want to get y by itself
y = 6-3 / 3 y = 5
uh, not quite, let's start over
3x + 9y =18 just divide everything by 9, that gives us: (1/3)x + y = 2, with me so far?
good, so we can rewrite that as y = 2 - (1/3)x which is the same as y = -(1/3)x + 2 and that's our answer in slope intercept form
Oh. Okay, I get.
we do the same thing we did before -4x + 6y = 12 start by dividing everything by 6 and tell me what you get
I get C. 2/3
yeah that's right, good job
Yay, Thank you for the help :3