Must show work!! 25 points!! Will only give brainliest if you show your work!
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Answer:
k=±56
Step-by-step explanation:
49x²+kx+16
(7x)²+kx+4²
For it to be perfect square, the roots/zeroes should be equal,
b²=4ac
k²=4(49)(16)
k= ± 56
Answered by
0
Answer:
k=±56 this is answer
Step-by-step explanation:
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