maura2mconroy0547 maura2mconroy0547

02-03-2017
Mathematics

contestada

which of the following is a quadratic equation that has roots of 2.5 and 2/3

a. 5x^2+11x-7=0

b. 6x^2-19x+10=0

c. 5x^2+11x-10=0

d. 6x^2+19x-10=0

Respuesta :

wolf1728 wolf1728

05-03-2017

Multiply
(x-2.5) * (x-.66666)
x^2 - 3.1666 x + 1.6666
Multiplying both sides by 6
6x^2 - 19x + 10
answer is b

Answer Link

Otras preguntas

find the volume of a sphere made by rotating a circle with a radius of 12 inches. Use 3.14 for pi and round to the nearest whole number.

Kim's family spends $62.50 on a dinner they leave an 18% tip how much is their total bill after

Read this excerpt from "A Modest Proposal" by Jonathan Swift, in which he describes the benefits of his proposal for less affluent families in Ireland: Men wou

Escoge la frase que es cierta. a) La comezón es un síntoma del sarpullido. b) Si te rascas, el sarpullido se mejorará. c) Debes usar una pomada cuando tienes

Alternating between extremes of adulation (when their needs are met) and loathing (when they feel scorned) is characteristic of people who are diagnosed with __

The number of tropical fish that an aquarium can hold depends on the volume of the fish tank. the interior dimensions of the fish tank are 25 cm, 30 cm, and 39

The absorption of glucose involves _____ across the apical membrane and ____ across the basolateral membrane.

Please help! I need the answer ASAP

What attitude sparked the revolutionary outburts in europe in the 1830s and 1840s?

what is greater 3 x 1/10 plus 4 x 1/100 plus 8x 1/1000 greater than one and two tenths