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2 cards from this section. Quick, good the night before a test.
Solve and graph: 3x - 7 > 5.
Add 7 and then divide by 3.
Graph: y ≤ x + 2.
Remember the type of line based on the inequality.
What is the inequality sign for 'less than or equal to'?
Think about how you show that a value can be equal.
If you solve -2x > 6, what must happen to the inequality?
Remember the rule for negativity!
What is the solution to the system: 2x + y ≤ 10 and x - y < 2? Graph the solution.
Identify each line and their restrictions before plotting.
A company makes x widgets at $3 each and y gadgets at $5 each. With a budget of $100, write the inequality for the budget constraint and calculate how many of each widget and gadget can be made if they need to be bought together.
Consider the combinations of x and y that would keep you under $100.
5 more questions in this section. Enroll free to practise them all.
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