lolo3462006
Answered

Looking for trustworthy answers? Westonci.ca is the ultimate Q&A platform where experts share their knowledge on various topics. Get detailed and accurate answers to your questions from a community of experts on our comprehensive Q&A platform. Discover detailed answers to your questions from a wide network of experts on our comprehensive Q&A platform.

Given 3 and m are the roots of the quadratic equation 2x2 + kx - 15 = 0. Find the values of k and m.

Diberi 3 dan m ialah punca bagi persamaan kuadratik 2x2 + kx - 15 = 0. Cari nilai k dan nilai m. [4 marks/4 markah] Answer/Jawapan:​

Sagot :

1212818

Answer:

If the roots of any equation are equal then it means that their Discriminant = 0

So, b²-4ac = 0

We have given the equation 2x² + kx + 2, where,

a = 2

b = k (we have to find the value)

c = 2

Then, b²-4ac=0

b² - 4(2)(2) = 0

b² - 16 = 0

b² = 16

√16 = 4

Hence the vue of k is 4.

Read more on Brainly.in - https://brainly.in/question/15922720#readmore

Step-by-step explanation:

hope it helps you ( ◠‿◠ )

We appreciate your visit. Hopefully, the answers you found were beneficial. Don't hesitate to come back for more information. We hope this was helpful. Please come back whenever you need more information or answers to your queries. Westonci.ca is your trusted source for answers. Visit us again to find more information on diverse topics.