Math, asked by d7om1shivaroornihala, 1 year ago

If -4 is a root of the quadratic equation 2x2+px-12=0,find the value of p

Answers

Answered by Wildcraft

2

The answer is 32-4p-12=0 .
We get this by substituting -4 in the place of x in the equation. Then
32-12= 4p
20=4p
5=p
Hence the value of p is 5

Previous Question

Next Question

Similar questions

Business Studies, 7 months ago

1. A manager hires his wife's young nephew instead of hiring a more qualified applicant. This is (a) Cronyism (b) Nepotism (c) Conflict of interest (d) The way the world works 2. Which of the following is an advantage to a business for being socially responsible? (a) Monetary cost of being socially responsible (b) Enhanced company image (c) Extra time spent on organising a programme or an event...

Geography, 7 months ago

what is theworld's big car...

Math, 7 months ago

Simplify: (- 455) - (-233)+ (+234)...

English, 1 year ago

write an essay on the Indian diasporic novel in Canada...

Social Sciences, 1 year ago

explain in three points the growing importance of railways over roadways.

Geography, 1 year ago

Find out lakes of large extent are called the seas, like the Caspian, the Dead and the Aral seas.

Environmental Sciences, 1 year ago

Observe whether your mother cooks on a low or high flame.discuss the reasons.

Hindi, 1 year ago

Make sentence on avishkar in hindi...