Question

( a ) Complete the table of values for y = x² - x - 3


x
-3

-2
-1

0
1
2
3
4

y

9
3
-1
-3
-3
-1 3 9

[3]

( b ) On the grid provided draw the graph of y = x² - x - 3

for -3 ≤ x ≤ 4.

[4]
( c ) Use your graph to
( i ) find x when y = -2,

Answer 1

x = -1.5

(ii) find the values of x when y = 0.5.

x = -0.73, 1.73