Intervals of Graphs of Quadratic Inequalities

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Which of the following is the same as the given graph?

• $\left(-\infty,\ -2\right]\cup\left[3,\infty\right)$

Which of the following is the same as the given graph? (check all that apply)

Which illustrates the graph of the x² - 5x + 4 < 0?

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Match the graph with its inequality.

• 11 < a
• 11 > a
•  11 ≤ a
•  11 ≥ a

What inequality does the number line graph represent?

• x ≤ 4
• x ≥ -4
• x < -4
• x < 4

What inequality does the number line graph represent?

• x > 5
• x < −5
• x ≥ 5
• x ≥ −5

When writing in interval notation, what kind of brackets do I use for:

or ≤ or ≥

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