9:36 am Wed 3 Feb vie. mathswatch. co. uk
2/12
a) Complete the table of values for
y = x2+1
-2 -1 0 1 2 3
х
2
у
2.
5
5
1
10
b) The graph of y = x2 + 1 is drawn on
the axes on the left.
Use the graph to estimate the
values of x when y = 4.
Give your answers to 1 decimal
place.
2
- 11
0
x+
160
ישי