2. Is the point (0,2) the solution to the system of equations: SHOW ALL YOUR WORK. 2 − = −2
2 + 4 = 8

A system of linear equations usually has a single solution, but sometimes it ... Number of solutions to system of equations review. CCSS.Math: 8.EE.C.8 ... also work for the other equation, so there are infinite solutions to the system. ... (2, 0) ( 1, 2) and then draw a line that goes through all of the points. For the ... y = −3x− 4

Step-by-step explanation:

y = −3x− 4

No variables in the equations so..?

2 - = -2 ; Not true

6 = 8 ; Not true

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answer: d.) the total number of protons and neutrons is 15

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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)