Solve inequalities that involve integers, and verify and graph the solutions
30 tutor-authored questions for this Ontario curriculum expectation, ordered easiest to hardest, every one with a full worked solution. Work through all 30 with your weekly-lesson access code.
Sample: the first question, solved
Solve: −3x+4>19.
📘 Worked solution
✓−3x>15 → x<−5 (the inequality flips because we divide by a negative number).
And one from the hard end
"A temperature starts at −10°C and must not drop below −30°C after decreasing at a constant rate for 5 hours. Find the maximum allowed rate of decrease."
Solution shown after you try it in practice mode.
Work through all 30, easiest to hardest
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