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

What is the mass number of an ion with 106 electrons, 157 neutrons, and a +1 charge?

match the description in column a to its corresponding word in column b.help me plsssss

Given ACM, angle C=90º. AP=9, PM=12. Find AC, CM, AM.

what is one major negative affect of globalization?

Discuss four causes of road accidents in Ghana.

o Calculate the pH of 500 ml of buffer solution containing .2M of ammonium sulphate and 0.3M ammonium hydroxide which 5 2.1% ionized in dilute solution. (kb of

True or false? Recent genetic evidence indicates that there may be—in the roots of some plants—a response stimulated by the concentration of water in the soil.

A fair dice is rolled. Work out the probability of getting a number less than 5. Give your answer in its simplest form.

ES What is the mZACB? А. 10° B O 50° (4x) O 90° O 180° (7x-20) С Done Intro

Find the value of x. Round to the nearest tenth. Chords and Arcs