Question

For what value of k, the equation 2x+kx+8-0 will have real roots.

Answer 1

Answer:

Step-by-step explanation:

Answer 2

Answer:

If the given equation has real roots

a = 2 , b = k and c = 8

D = 0

b²- 4ac = 0

k² - 4 * 2 *8 = 0

k²= 64

k = ± √64

∴k = ± 8.

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