sipstea sipstea

04-05-2017
Mathematics

contestada

the value of y varies directly as x, y is 9 when x is -3 what is the constant of variation k

Respuesta :

04-05-2017

direct variation has the form y=kx. Given a point we can solve for the constant k.

y=kx, when y=9 and x=-3 becomes:

9=-3k

k=-3 so the constant of variation is negative 3

Answer Link

Otras preguntas

How many reflection lines are there in a rotation and how are they related? Select the correct response: 3 intersecting lines 2 parallel lines 2 intersecting li

Directions: Solve the following by multiplying by the inverse of the fractional coefficient. 1. \frac{2}{5} t = 20 2. \frac{7}{8} p = 56 3. \frac{5}{6} x = 30 4

A stick of gum is 2 inches long. Are 10 sticks of gum longer than 3 feet?

Which statement restates the Nixon Doctrine?

Survey results state that 80% of people enjoygoing to the beach. The random numbers belowrepresent 10 trials of a simulation of asking twopeople if they enjoy g

8. Japan's acquisition of Korea in 1910 demonstrates 1. China's policy of generosity toward its neighbors 2. Korea's willingness to become part of the Japanese

What does the expression n + 3 represent?

A large construction company wants to review the ages of its sales representatives. A sampling of the ages of 25 sales reps are given: 50 42 32 35 41 44 24 46 3

Solve for x. JKL 2x-4 8 16 7 56

Find the length of the indicated side of the similar figure.