This was created for the [url=https://cemc.uwaterloo.ca/resources/courseware/grade-9-10-11.html]CEMC Grade 9/10/11 courseware[/url]. Search the [url=https://cemc2.math.uwaterloo.ca/resources/courseware/grade-9-10-11-interactive-library.php]interactive library[/url] to find the associated lesson.[br][br]AF.4: Select, use strategies for solving equations, improvements, working backwards:[br]- a. Linear equations (coefficients in ℚ, solutions in ℤ, ℚ).[br]- b. Quadratic equations (coefficients, solutions in ℤ, ℚ in ℝ).[br]- c. Simultaneous linear equations (coefficients, solutions in ℤ, ℚ).[br]- d. Linear inequalities, graph solution sets on number line (x ∈ ℕ, ℤ, ℝ).