Accuplacer Math College Exam with Correct Answers

What is 2^(5/2) - 2^(3/2) Correct Answer ** 2√2 ** 2^(5-2) can be broken into: 2^4/2 == 2^2 == 4 so 4 2^1/2 or 4√2 2^3/2 can be broken into: 2^1 == 2 2^1/2 == √2 so 2√2 4√2 - 2√2 = 2√2 What is 5! Correct Answer 5 * 4 * 3 * 2 * 1 What is (2^4) * (2^5) Correct Answer 2^9 How do you calculate the determinant of a matrix Correct Answer Imagine a 2x2 cube, where top left = a top right = b bottom left = c bottom right = d Determinant == (a/c) - (b/d) What is the conversion of log3(27) = Y Correct Answer 3^y = 27 What is the conversion of 4^x = 16 Correct Answer log4(16) = x What is 2√10 * 2√3 Correct Answer 4√30 Factor (2x^5)-(2x^4)-(40x^3) Correct Answer (2x^3)(x^2-x-20) How do you determine if 2 lines are parallel? Correct Answer Convert to y=mx+b If both x's are the same, it is parallel What is the slope of a line that crosses (5,6) and has a y-int of (0,2) Correct Answer 4/5 James has $10,000. He puts some of his money in a savings account that yields 1% annually. He invests the rest in bonds that yield 5% annually. If after one year, James