(2) a) Complete the table of values for y = x2 + x - 4
X -3 -2 -1 0 1 2 3
у
TOAL
A
B
b) Which curve, A, B, C or D
is the graph of
y = x2 + x -4? (1)
5
С
D
-3
-2
a
2
3x
c) Use the graph to estimate
both solutions to
x2 + x - 4 = 0 (2)
LO
-10
Total marks: 5

fingers crossed

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