AmancoolLily AmancoolLily

26-04-2016
Mathematics

contestada

What is the value of b^2 0 4ac for the following equation?
2x^2 0 2x 0 1 = 0
04
0
12

Respuesta :

WarLord WarLord

26-04-2016

2x^2 - 2x - 1 = 0 a = 2, b = -2, c = -1 b^2 - 4ac = (-2)^2 - 4(2)(-1) = 4 + 8 = 12
so the answer is 12

Answer Link

Otras preguntas

Could you please help me :) Solve 2x^2 = 128.

A bowl of fruit is on the table. It contains 3 apples, 5 oranges, and 2 pears. Ryan and Kenneth come home from school and, at the same time, randomly grab one

5. Use inductive reasoning to find the next term in the sequence 0, 1, 1, 2, 3, 5, 8 … HELP PLEASE!!!

what does a circle graph show that a bar graph does not?

Find the area of a circle with a diameter of 6m?

What pressure, in millimeters of mercury (mm Hg), is equivalent to 2.13 atmospheres

what is the name of the river that forms the northern border of Kentucky and flows into the Mississippi River?

at a small private collage, 9/20 of the students are female. there are 2160 female students, then how much are male?

Sarabeth ran 1 2/5 miles on a path around the park. This was 5/8 of the distance around the park. What is the distance around the park.

Which of the following is an example of kinetic energy? a can of paint sitting at the top of a ladder a dog running down the street a bird perched on a wire a p