Question

If x is directly proportional to y and x=4.5 when y =3 find an equation connecting x and y

Answer 1

Answer:

If x is directly proportional to y and x = 4.5 when y = 3  then equation is x = 1.5y

Solution:

Given that,

x is directly proportional to y

Therefore,

\begin{gathered}x \propto y \\\\x = ky ------ eqn\ 1\end{gathered}x∝yx=ky−−−−−−eqn 1

x = 4.5 when y = 3

Substitute in eqn 1

\begin{gathered}4.5 = k \times 3 \\\\k = 1.5\end{gathered}4.5=k×3k=1.5

Substitute k = 1.5 in eqn 1

x = 1.5yx=1.5y

Thus the equation is found

Learn more:

Consider x directly proportional to y and x = 24, y = 40. If x= 114, then y=

https://brainly.in/question/14371216

If x is directly proportional to Y and x is equal to 7 and y equal to 21 find the constant of variation

Mqrk me as the brainliest

Thank You♡