Which two values of x are roots of the polynomial below? x2 - 3x + 5

Given a quadratic equation

you can find its solutions with the following formula:

You equation is identified by the coefficients

Which means the solutions are

So, the answers are B and D

Following are the calculation to the roots:

Given:

To find:

roots=?

Solution:

Compare the value with the standard quadratic equation:

Using the Shri dharacharya formula:

Putting the value into the above formula:  

Therefore, the answer is "Option B and Option D "

Learn more about the roots:

link

1. d.90

2. e. none of these (80)

3. a. 0

4. b. 6

5. e. none of these (10)

6. a. 5

= 5

step-by-step explanation:

to find the 15th term substitute n = 15 into the nth term formula

= (- 3 × 15 ) + 50 = - 45 + 50 = 5