(a) Complete the table of values for \(y = x^2 - 3x + 2\)
\(x\)
\(-1\)
0
1
2
3
4
5
\(y\)
6
2
12
(2)
(b) On the grid, draw the graph of \(y = x^2 - 3x + 2\) for values of \(x\) from \(-1\) to 5(2)
(c) Find estimates for the solutions of the equation \(x^2 - 3x + 2 = 4\) (2)
Mark scheme (a)
Answer
Mark
Notes
2, 0, 0, 6
2
B2 for 2, 0, 0, 6 (B1 for at least two of 2, 0, 0, 6); could be taken from graph
Mark scheme (b)
Answer
Mark
Notes
Correct curve
2
M1 (ft) for at least 5 points plotted correctly A1 for a fully correct curve
Mark scheme (c)
Answer
Mark
Notes
\(-0.6\), 3.6
2
M1 (ft if M1 awarded in (b) and at least B1 in (a)) for indicating a point or line drawn at \(y = 4\), or one solution given A1 (ft) for both solutions
