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The boiling point of water depends on altitude. The following equation approximates the number o of degrees D below 212 F at which water will boil at altitude H: Homework: 84 Skills Practice Odd Numbers Only 2 D + 520D = H In Denver, Colorado, the altitude is approximately 5300 feet above sea level. At approximately what temperature does water boil in Denver? D = 10 degrees so the boiling point is about o 202 F 1 Chapter 84 Quadratic Equations: ax2 + bx + c = 0 2 Factor: 2x + 5x + 3 2 To factor trinomials of the form: ax2 + bx + c, find two integers, m and p, with a sum of b and a product of ac. Then write ax2 + mx + px + c, and factor by grouping. 3 2 5x + 27x + 10 4 2 4x + 24x + 32 5 2 24x 22x + 3 6 2 2n n 1 7 Prime Polynomials: If the polynomial cannot be factored using integers, write prime. 2 4r r + 7 8 9 10 11 12 13