Question

If one zero of quadratic polynomial x2+3x+k is 2 then the value of k is options: 10 , 5 , -10, -5​

Answer 1

Answer:

c) -10

because putting value of one zero in place of x and equating it to 0 you will get the answer

thank you

Answer 2

Answer:

answer is given below

Step-by-step explanation:

f(x) = x² + 3x + k

f(2) = (2)² + 3(2) + k

0 = 4 + 6 + k

0 = 10 + k

k = -10

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