Question 1204859
.
Using the Sharp-516 calculator’s EQUATION mode to Graph y= ax^2+bx-2.5 for some value of a and b gives the information shown below.
Graph the equation on the grid. Label the x-intercept(s), y-intercept(s), and vertex on the graph as ordered pairs if they exist. Round to three significant digits.
~~~~~~~~~~~~~~~~~~~~



I have no this calculator  Sharp-516 in my procession,   so I can not solve 

this problem for you following the given instructions.



If you really want to solve this problem as instructed, then find a guide in the Internet  
on how to use this calculator and learn it; then use what you have leaned.


It is the best advise which I can give you.


Or change your request by taking off mentioning about Sharp-516 and re-post to the forum.


Please do not re-post it to me in person.