12. kerror Analysis Describe and correct the error a student made in identifying the common
difference of the following sequence:
29, 22, 15, 8, 1
16. H
re
The common difference of the
sequence is 7, since 29 - 22 = 7,
22 - 15 = 7,15 - 8 = 7, and
8-1=7.
Se
= 15-3
X

First locate the turning point (vertex) of the graph. which is at the coordinates x=5 and y=9 or (5; 9).to determine whether it's a maximum or mininum value, you have to discern whether the vertex's y-value is the highest value or lowest value the graph can reach. since the vertex's y-value, 9 is the highest value the graph can reach, it will be a maximum.another basic way to determine whether the vertex's value is max or min is to see if the graph is smiling or sad. if it's smiling, the turning point/vertex would be a minimum, while a sad parabola would have a maximum y-value at the vertex.