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Snezhnost [94]
2 years ago
10

Suppose y varies directly with x, and y = 12 when x = 2. What direct variation

Mathematics
1 answer:
neonofarm [45]2 years ago
4 0

Answer:

y=24

Step-by-step explanation:

<u>Given:</u>

y=kx

<u>Substitute:</u>

\left \{ {{y=12} \atop {x=2}} \right. into y=kx

12=k\times2

<u>Swap the sides:</u>

<u />k\times2=12

<u>Divide both sides of the equation by the coefficient of variable:</u>

<u />k=\frac{12}{2}

<u>Cross out the common factor:</u>

<u />k=6

<u>Find the equation of the function:</u>

<u />y=6x

<u>Substitute:</u>

<u />y=6\times4

<u>Calculate the product or quotient:</u>

<u />y=24

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