Quadratic Inequalities: Prerequisite Task

1

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x2 − 4x + 5 < 0 x2 − 4x + 5 ≥ 0

x2 − 4x + 5 < 0 x2 − 4x + 5 ≥ 0

For each graph shade the region indicated by the inequality.

−x2 + 4x − 3 ≤ 0 −x2 + 4x − 3 ≤ 0(a) (b)

(c) (d)

(e) (f)

Quadratic Inequalities: Prerequisite Task

2

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Write an inequality to describe the shaded regions in each of the following:

(a) (b)

(c) (d)

(e) (f)