Translating this word problem into an algebraic equation, we get:
3x - 2/5 = 8/5.
Let's combine the constants: adding 2/5 to both sides of this equation yields
3x = 10/5, or 3x = 2.
Solving for x: x = 2/3
Answer:
x=-1
Step-by-step explanation:
The axis is the highest or lowest point on a parabola.
I'm adding my answer again cuz it was taken down.