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3 cards from this section. Quick, good the night before a test.
Graph the inequality y > 2x + 1.
Remember that the line is dashed because of the 'greater than' sign.
What type of line will you use to graph y ≤ -x + 3?
Think about whether points on the line should be included.
What type of line would you draw for the inequality y < 2x + 1?
Is it 'less than' or 'less than or equal to'?
True or False: The test point (1, 1) can be used to determine where to shade the area for the inequality y ≤ 3.
Think about how points relate to the inequality.
If you graph the inequality 3x - 2y > 6, describe the process and shade the correct region. What do you notice about the solutions?
Watch for that dashed line!
Consider the system of inequalities x + 2y ≤ 8 and x - y > 3. Graph both and find the overlapping region. What is the significance of this region?
Finding the intersection is key!
6 more questions in this section. Enroll free to practise them all.
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