for the inverse variation equation xy = k, what is the value of x when y = 4 and k = 7?\n\\(\\frac{4}{7}\\)\n…
for the inverse variation equation xy = k, what is the value of x when y = 4 and k = 7?\n\\(\\frac{4}{7}\\)\n\\(\\frac{7}{4}\\)\n3\n28
Answer
Explanation:
Step1: Substitute given values
Given $xy = k$, substitute $y = 4$ and $k = 7$ into the equation, getting $x\times4=7$.
Step2: Solve for x
Divide both sides of the equation $4x = 7$ by 4, so $x=\frac{7}{4}$.
Answer:
B. $\frac{7}{4}$