4 years ago

Which equation represents the line that passes through the points (2, 3) and (4, 7)?

Mathematics

1 answer:

Veseljchak [2.6K]4 years ago

4 0

Answer:

Step-by-step explanation:

(7 - 3)/(4 - 2) = 4/2 = 2

y - 3 = 2(x - 2)

y - 3 = 2x - 4

y = 2x - 1

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Write a general formula to describe the variation: M varies jointly with the cube root of the difference B and b.

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$\bf \qquad \qquad \textit{direct proportional variation}\\\\
\textit{\underline{y} varies directly with \underline{x}}\qquad \qquad y=kx\impliedby 
\begin{array}{llll}
k=constant\ of\\
\qquad variation
\end{array}\\\\
-------------------------------\\\\
\stackrel{\textit{M varies jointly with the cube root of the difference B and b}}{M=k\sqrt[3]{B-b}}$