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freemap
 one year ago
Last week, Hazel paid $32 to have 50 reports printed. This week, she paid $57 to have 100 reports printed. Assume the relationship is linear.
Which equation models the relationship between the number of reports, x, and the cost, y?
A. y=2x+68
B. y=1/2x +7
C. y=1/2x+24
D. y=2x +34
freemap
 one year ago
Last week, Hazel paid $32 to have 50 reports printed. This week, she paid $57 to have 100 reports printed. Assume the relationship is linear. Which equation models the relationship between the number of reports, x, and the cost, y? A. y=2x+68 B. y=1/2x +7 C. y=1/2x+24 D. y=2x +34

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Vocaloid
 one year ago
Best ResponseYou've already chosen the best response.2x = number of reports y = cost using the information in the problem, we can write two points (32,50) and (57,100) then you can write an equation for the line that goes through these points

freemap
 one year ago
Best ResponseYou've already chosen the best response.0ok, can you stay while I solve it

Vocaloid
 one year ago
Best ResponseYou've already chosen the best response.2one more time: (50,32) and (100,57)

freemap
 one year ago
Best ResponseYou've already chosen the best response.0If you use slope, its .418

Vocaloid
 one year ago
Best ResponseYou've already chosen the best response.2you sure? (50,32) and (100,57) slope = (y2y1)/(x2x1)

freemap
 one year ago
Best ResponseYou've already chosen the best response.0ok wow I did that wrong, sorry

freemap
 one year ago
Best ResponseYou've already chosen the best response.0oh, i thought i had to use slope

Vocaloid
 one year ago
Best ResponseYou've already chosen the best response.2good, so our slope is 1/2 know how to finish from here?

freemap
 one year ago
Best ResponseYou've already chosen the best response.0I have no clue how to finish

Vocaloid
 one year ago
Best ResponseYou've already chosen the best response.2use the pointslope equation yy1 = m(xx1) where (x1,y1) = one of the points (either one, take your pick) and m = slope

freemap
 one year ago
Best ResponseYou've already chosen the best response.0oh wait do I have to multiply 1/2 times 50

Vocaloid
 one year ago
Best ResponseYou've already chosen the best response.2y32=1/2(x50) start by distributing the 1/2

freemap
 one year ago
Best ResponseYou've already chosen the best response.0I got 7 so the answer is B, forgot to distribute. Thanks so much, real hero
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