Question

Y = 5x² + 3x
(Find the axis of symmetry and the vertex of the graph of the function)

Answer 1

y = 5x² + 3x

(5x) x (5x) = 25x

y = 25x + 3x

25x + 3x = 28x

y =/= 28x

( =/= ) <---- is supposed to be the non equal sign