MCV4U1: Diagnostic Assessment 1. Determine the equation of the line that passes through (2, 1) and (5, –8). 2. Compute 𝑓(3) for each of the given functions. a) 𝑓(𝑥) = (𝑥 − 1)2 + 2 b) 𝑓(𝑥) = 3. Factor each of the following: a) 𝑥 4 − 1 c) −8𝑥 3 − 18𝑥 2 − 4𝑥 e) 𝑥 8 − 𝑦 4 g) 𝑥 2𝑎 − 3𝑥 𝑎 − 4 b) 8𝑥 4 − 27𝑥 d) −12𝑥 2 + 27 f) 8𝑥 3 + 1 h) 𝑥 2𝑚 − 36𝑦 2 4. Expand fully a) (𝑥 + ℎ)3 c) −(3𝑥 − 2𝑦)3 b) (2𝑥 − 1)3 d) −𝑥(𝑥 − 1)2 (𝑥 + 5) 2𝑥+1 𝑥−3 5. State the domain of each of the given functions. 6. 7. Is the following function continuous? 𝑓(𝑥) = { √3 − 𝑥 √3 + 𝑥 𝑥<0 𝑥≥0 8. Solve each polynomial equation. a) 𝑥 5 − 10𝑥 3 + 9𝑥 = 0 b) 𝑥 5 − 12𝑥 3 + 32𝑥 = 0 c) 𝑥 3 − 2𝑥 2 − 11𝑥 + 12 = 0 d) 𝑥 3 − 𝑥 2 − 8𝑥 + 12 = 0 9. Solve each polynomial inequality. a) 𝑥 3 + 𝑥 2 − 16𝑥 − 16 ≥ 0 b) 𝑥 4 − 12𝑥 2 + 11 < 0