Math, asked by tanmay121145, 5 months ago

5. If one zero of the quadratic polynomial
x2 + 3x + k is 2, then the value of k is
a) 10
b) - 10
c) -7
d) - 210 अपग्रेड इकोनॉमिक्स एक्स स्क्वायर प्लस 3 एक्स प्लस के स्टूडेंट द वैल्यू ऑफ के ​

Answers

Answered by joycesjadhav03
1

Answer:

10

is answer

I hope it will help u

please thank me

Answered by ShreyaN2512
1

Answer:

p(x) =  {x}^{2}  + 3x + k

p(x) = 2

p(x) =  {2}^{2}  + 3 \times 2 + k

p(x) = 4 + 6 + k

p(x) = 10 + k

as \: p(x) = 2

2 = 10 + k

k = 2 - 10

so \: k =  - 2

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