Question

How do you graph `y=x^2-3x+8`?

Answer 1

Refer explanation section

Explanation:

Its vertex is =`(-b)/(2a)`=`(-(-3))/(2a)`=`3/2`=1.5

Take a few points on both sides of 1.5

x : y
4 : 12
3 : 8
2 : 6
1.5 : 5.75
1 : 6
0 : 8
-1 : 12

graph{x^2 - 3x + 8 [-74, 74.1, -37, 37]}