maura2mconroy0547
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 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

For this equation, tell which method you used to solve it. x^2 + 2x = 7
You are the secretary of the ‘Eco Club’ in your school. Your club has organised a ‘Beach Clean Drive’ for students of Grade VII and VIII. Write a notice to be
First to answer and is correct gets brainliest
A pear and a papaya are placed 12 meters apart from each other. The pear is 0.005 kg and the papaya is 0.008 kg. Calculate the force of gravitation between them
What is the length of the diagonal, d, of the rectangular prism shown below? Round your answer to the nearest tenth.
Please help with this real quick, its in attached image..
Which fraction represents the integer 4
Look at the mla citation for an online source. "let’s eat for the health of it. " usda. The u. S. Departments of agriculture and health and human services, june
14) Amanda and James are selling pies for a school fundraiser. Customers can buy blueberry pies and lemon meringue pies. Amanda sold 13 blueberry pies (x) and 1
Which of the following best defines situational irony? Question 21 options: What actually happens is the opposite of what a person would expect to happen The wo