Which option contains the solution set for the value of k in the equation 7+2k2=25 ?
{3} left brace 3 right brace ∅ empty set {−9,9} left brace negative 9 comma 9 right brace {−3,3}
1 answer
The correct option is {−3,3}.
{3} left brace 3 right brace ∅ empty set {−9,9} left brace negative 9 comma 9 right brace {−3,3}
1 answer