If x=-1 is a solution of the equation x²-7x+2k=0 , what is the value of k?
a.-6
b.-4
c.1
d.4
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If x=-1 is a solution of the equation x²-7x+2k=0 , what is the value of k?
a.-6
b.-4
c.1
d.4
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b. -4
(-1)² -7(-1) + 2k = 0
2k = -1 -7
k = -4