Sophia MM212 Unit 2 College Algebra Milestone

Sophia MM212 Unit 2 College Algebra Milestone 19/20 that's 95% Well done! If you keep getting Milestone scores like this you'll pass the course. 19 questions were answered correctly. 1 question was answered incorrectly. 1 Rob paid $50.15 for two pairs of jeans, which include a 15% discount. What was the price of one pair of jeans before the discount was added? • $167.17 • $21.80 • $59.00 • $29.50 RATIONALE CONCEPT Solving Problems involving Percents 2 Find the solution for x if |7x + 5| = 19. RATIONALE CONCEPT Absolute Value Equations 3 Rationalize the denominator and simplify the following expression: RATIONALE CONCEPT Rationalizing the Denominator 4 Simplify the following expression using distribution. 2(x + 3) – 5(x – 1) • -3x + 1 • -3x + 8 • -3x + 11 • -3x + 5 RATIONALE CONCEPT Properties in Algebraic Expressions 5 The value V (in dollars) of a vehicle depends on the miles x that it has been driven. This is given in the formula V = 22,000 – 0.25x . After one year, the value of a vehicle is between $12,000 and $15,000. Which range of miles driven corresponds to this range of values based on the given formula? • 18,000 ≤ x ≤ 19,000 • 19,000 ≤ x ≤ 22,000 • 28,000 ≤ x ≤ 40,000 • 30,000 ≤ x ≤ 40,000 RATIONALE CONCEPT Compound Inequalities 6 For the equation x – 5 = 8, what is the value of x? • 40 • 13 • 1.6 • 3 RATIONALE CONCEPT Solving single-step equations 7 Simplify the following expression. ‐3 + 7(a – 3b – 1) – 4(10 – a + 2b) • 6a - b - 44