Proportional relationships (constant of proportionality, graphs, equations) Knowledge-Based Practice

Questions

1. 1.

   What is the constant of proportionality, $k$, for the proportional relationship represented by the equation $4y - 14x = 0$?

   • A) $k = \frac{2}{7}$
   • B) $k = \frac{7}{2}$
   • C) $k = \frac{7}{4}$
   • D) $k = 14$
2. 2.

   In a proportional relationship, the constant of proportionality is $k = \frac{5}{2}$. If the point $(a, 35)$ lies on the graph of this relationship, what is the value of $a$?

   • A) $a = 87.5$
   • B) $a = 14$
   • C) $a = 17.5$
   • D) $a = 70$

Answers and step-by-step solutions appear after you finish the test.