Specify inverse proportionality by the formula if it is known that its graph passes the point m (-2; 5).

univerkov | July 15, 2021 | education

1. Inverse proportionality is a function of the form y = k / x.

2. Point M (-2, 5) lies on the chart. Hence, its coordinates must satisfy this equation.

3. Substitute them into the equation: 5 = k / (-2).

4. Find k: k = 5 * (- 2) = -10

5. Substitute k in the general formula of the general form of the function: y = (-10) / x

Answer: y = (-10) / x

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