other, find the value of a.
7. Find a quadratic polynomial whose zeros are 2 and -5.
Question
other, find the value of a.
7. Find a quadratic polynomial whose zeros are 2 and -5.
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Mathematics
2 years
2021-07-17T14:27:53+00:00
2021-07-17T14:27:53+00:00 1 Answers
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Answers ( )
Answer:
x^2 + 3x – 10
Step-by-step explanation:
alpha = 2 , beta = -5
sum of zeroes = alpha + beta
= 2 + (-5)
= 2-5
= -3
product of zeroes = alpha*beta
= 2*(-5)
= -10
substituting the values in the formula [x^2 – ( alpha + beta )x + alpha*beta ] we get
[ x^2 – ( -3)x + (-10)]
x^2 +3x – 10