3/5 Marks 33 I 40 Marks
a) Complete the table of values for y = x2 – 2x - 3
Х
-2
-1
0
1
2
3
4.
y
5
0
-3
-4
-3
o
5
b) i) Which of the three curves drawn
matches y = x2 - 2x - 3?
A
-S
0
-2
-4 -3
ii) Estimate the value of y
when x = 2.5
-1.75
iii) Find the values of x
when y = 1
+