WEBWalnut Hill School for the Arts Math Algebra 1 Placement Test 1. Which of the following is an irrational number?! A. -5 B. 2 3!C. 4! D. 5 2. Which group of numbers is ordered from least to greatest? A. 4 5,−0.9,−3 B. −3,−0.9, 4 5 C. −0.9, 4 5,−3 D. 4 5,−3,−0.9 3. Evaluate (6−4)÷2+8÷(4−2)+1 A. 1 1 2 B. 8 C. 6 D. 3 4.