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

how was "The Blank Slate" Theory disproven???

List and briefly describe the 3 types of software

Work out (7*10*5) - (2 x 10²) Give your answer in standard form.

How many moles are in 2g of H2O

Match the subject pronouns to the correct present conjugation of trabajar. 1. yo trabajamos 2. tú trabajo 3. el/ella/usted trabajáis 4. nosotros/nosotras trabaj

20 POINTS! Please help For each question, decide if it is a function. Then find the domain and range in set builder notation.

if you have 34 pounds of meat at 200F and you immerse it in 15 liters of water at 25C what is the final temp of the water? ( specific heat of water= 4 184 J/kgC

8/9 divided by 6, trying to understand how to solve this in steps?

What is the median of the following set of data? 15.4 4.7 10.6 5 5.6 8.4 7.9 11.210.213.1 15.5 6.2 7.4

What is your answer?