15. If one of the zeroes of the quadratic polynomial x2 + 3x + k is 2, then the value of k is
ay 10
b) -10
c) -7
d) -2
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1
Answer:
Step-by-step explanation:
2 is a zero of x
2+3x+k.
Thus, (2)
2+3(2)+k=0
k+10=0
k=−10
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