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Term review: the toolkit so far — Homework
Mixed practice from this term: elimination, an inequality, an exponential model, and polynomial multiply/factor.
- 1.Solve by elimination: a + b = 18 and 4a + 3b = 65.
- 2.Solve the inequality 5x - 20 ≥ 60 for the least whole x.
- 3.Evaluate y = 300(1.06)^4 (round to the nearest whole).
- 4.Multiply: (x + 4)(x + 9).
- 5.Factor x² + 13x + 36 back into two binomials.
- 6.Explain how factoring and multiplying binomials are inverse operations, using the last two problems as your example.
🌲 Homeschool for the FutureNinth Grade · Math · week 23 homework