4/13/2015 HW 3: 1.5, 1.6, 1.7 Dovid Aharon Baum Math 113, section 0203, Spring 2015 Instructor: Danul Gunatilleka TA WebAssign HW 3: 1.5, 1.6, 1.7 (Homework) Current Score : - / 10 Due : Monday, April 20 2015 08:00 AM EDT Adjustment: 8 1. -/0.66 pointsBlitzer4 1.5.094. Solve the equation by the method of your choice. (2x + 9)2 = 25 x = (smaller value) x = (larger value) 2. -/0.66 pointsBlitzer4 1.5.120. Find all values of x that satisfy the following conditions. x = (smaller value) x = (larger value) 3. -/0.66 pointsBlitzer4 1.5.138. The base of a 32 foot ladder is 8 feet from a building. If the ladder reaches the flat roof, how tall is the building? feet 4. -/0.66 pointsBlitzer4 1.5.140. A rectangular parking lot has a length that is 4 greater than the width. The area of the parking lot is 957 square yards. Find the length and the width. length yards width yards 5. -/0.66 pointsBlitzer4 1.5.142. Each side of a square is lengthened by 9 inches. The area of this new, larger square is 169 square inches. Find the length of a side of the original square. inches http://www.webassign.net/web/Student/Assignment-Responses/last?dep=10898244 1/4 4/13/2015 HW 3: 1.5, 1.6, 1.7 6. -/0.66 pointsBlitzer4 1.5.146. A machine produces open boxes using square sheets of metal. The machine cuts equalsized squares measuring 1 inch on a side from the corners and the shapes the metal into an open box by turning up the sides. If each box must have a volume of 121 cubic inches, find the length and width of the open box. inches 7. -/0.66 pointsBlitzer4 1.6.012. Solve the radical equation. Check all proposed solutions. sqrt(20 8 x) = x x = (larger value) ---Select--- x = (smaller value) ---Select--- 8. -/0.66 pointsBlitzer4 1.6.014. Solve the radical equation. Check each proposed solution. sqrt(x + 6) = x 6 x = (larger value) This solution is ---Select--x = . (smaller value) This solution is ---Select--- . 9. -/0.66 pointsBlitzer4 1.6.032. Solve the equation with rational exponents. Check each proposed solution. x^(3\\/2) = 343 x = This solution is ---Select--- . http://www.webassign.net/web/Student/Assignment-Responses/last?dep=10898244 2/4 4/13/2015 HW 3: 1.5, 1.6, 1.7 10.-/0.66 pointsBlitzer4 1.6.034. Solve the equation with rational exponents. Check each proposed solution. x = This solution is ---Select--- . 11.-/0.66 pointsBlitzer4 1.7.032. Solve the linear inequality. Use interval notation to express your answer. (If you need to use or , type INFINITY or INFINITY). 2x > 10 x = ? , ? 12.-/0.66 pointsBlitzer4 1.7.038. Solve the linear inequality. Use interval notation to express your answer. (If you need to use or , type INFINITY or INFINITY). 22(x + 1) > 6x 6 x = ? , ? 13.-/0.66 pointsBlitzer4 1.7.046. Solve the linear inequality. + 6 x ? 14.-/0.66 pointsBlitzer4 P.6.044. Subtract the following expressions. http://www.webassign.net/web/Student/Assignment-Responses/last?dep=10898244 3/4 4/13/2015 HW 3: 1.5, 1.6, 1.7 15.-/0.76 pointsBlitzer4 P.6.052. Subtract the following expressions. http://www.webassign.net/web/Student/Assignment-Responses/last?dep=10898244 4/4 \f\f