Which line most accurately represents the line of best fit for the scatter plot?

A graph shows numbers from 0 to 21 on the x axis at increments of 3 and the numbers 0 to 63 on the y axis at increments of 9. Scatter plot shows ordered pairs 0, 27 and 3, 36 and 5, 37 and 7, 45 and 9, 45 and 9, 54 and 12, 54 and 15, 59 and 18, 63. A line labeled A joins ordered pair 0, 27 and 16, 63. A line labeled B joins ordered pair 0, 27 and 21, 45. A line labeled C joins ordered pair 0, 27 and 21, 31.5. A line labeled D joins ordered pair 0, 27 and 21, 18.

Line A
Line B
Line C
Line D

hello from mrbilldoesmath!

answer:   (7x + 6y) ( 49x^2 - 42xy + 36y^2)

discussion:

in general, the factorization of a^3 + b^3 is

a^3 + b^ 3 = (a + b) ( a^2 - ab + b^2)

in our case note that 343 = 7^3 and 216 = 6^3 so the equation becomes:

343x^3 + 216y^3 = (7x)^3 + (6y)^3

if you think of a (above) as 7x and b as 6y the factorization becomes

343x^3 + 216y^3 =

((7x + 6y) (   (7x)^2 - 7x*6y + (6y)^2)   =

(7x + 6y) ( 49x^2 - 42xy + 36y^2)

you,

mrb

(a + b) (a^2 - a b + b^2)

step-by-step explanation:

sorry i just needed points for a quiz plz for give me

a

step-by-step explanation:

its wrong

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