S 3rd Grade Topic 8-9 Assessment / 5 of 18 Vincent and Lexin both solved the problem 346 - 297. The two boys had two different answer Vincent: Lexin: 346 - 297 = 49 346 - 297 = 159 Which equation shows a way that Vincent can check to see if his answer is correct? O A. 159 - 49 = 110 0 B. 49 + 159 = 208 O C. 297 - 49 = 248 O D. 49 + 297 = 34

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Step-by-step explanation:

36 is the final answer! : )

the direct variation says that:

then the equation is of the form is given by:

            where k is the constant variation.

from the given table:

consider any value of x and m(x)=y

x = 2 and m(x)=y = 3

substitute these value in [1]; we have;

divide both sides by 2 we get;

⇒

check:

put x = -1 and m(x) = -1.5

substitute in the equation:

-1.5 = -1.5                   true

therefore, the function m(x) represents a direct variation

graph of this function as shown below: