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3 cards from this section. Quick, good the night before a test.
Solve and graph: 3x - 7 > 5
Add 7 to both sides.
What is 5x ≤ 20 simplified?
Divide both sides by 5.
What does the inequality symbol '≤' signify?
Think of the 'equal to' part!
True or False: When dividing both sides of an inequality by a negative number, the inequality sign flips.
Remember the rules about negatives!
A gardener wants to plant flowers. Each flower costs $3, and she has $45. Write an inequality representing how many flowers she can buy and solve it.
Translate the budget into an inequality!
Graph the system of inequalities: x + y > 2, x ≤ 3, and y ≤ 1. What is the feasible region?
Carefully plot each line and see where the shaded regions overlap!
6 more questions in this section. Enroll free to practise them all.
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