If 5 is one of the root of the equation 2x²+kx-20=0 then what is k?
A. -6
B. 6
C. 10
D. -10
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If 5 is one of the root of the equation 2x²+kx-20=0 then what is k?
A. -6
B. 6
C. 10
D. -10
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✏️QUADRATIC
- If 5 is one of the root of the equation 2x² + kx - 20 = 0 then what is k?
- We can substitute x as 5 in the equation to find the value of k.
The value of k is -6.
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Answer:
Answer: A.
Step-by-step explanation:
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