Question

The value of k for which 3 is a root of the equation kx² - 7x + 3 = 0 is *

a. 2
b. -2
c. 3
d. -3​

Answer 1

P(x) = kx^2 - 7x + 3

P(3) = 0

k(3)^2 - 7(3) + 3 = 0

9k -21 + 3 = 0

9k - 18 = 0

9k = 18

k = 18/9

k = 2

Answer : (a) 2

Answer 2

Answer:

a. 2

Step-by-step explanation:

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