18. The equation of the axts of symmotry of tio gingh of \( y = 2 x ^ { 2 } - 3 x + 7 \) is
(1) \( x = \frac { 3 } { 4 } \) (3) \( x = \frac { 3 } { 2 } \)
(2) \( y = \frac { 3 } { 4 } \) (4) \( y = \frac { 3 } { 2 }\)
18. The equation of the axts of symmotry of tio gingh of \( y = 2 x ^ { 2 } - 3 x + 7 \) is
(1) \( x = \frac { 3 } { 4 } \) (3) \( x = \frac { 3 } { 2 } \)
(2) \( y = \frac { 3 } { 4 } \) (4) \( y = \frac { 3 } { 2 }\)
(1) \(x= 3/4\)