1. 6-9 Using Equations that Factor Warm-up Problems 1.Solve 2.Solve 3.Solve

2. Chapter 6 6-9 Using Equations that Factor

3. Example 1 Translate to an equation and solve. The product of one more than a number and one less than the number is 8. Find the number. The product of one more than a number and one less than the number is 8.

4. Example 2 Translate to an equation and solve. The square of a number minus twice the number is 48. Find the number. The square of a number minus twice the number is 48.

5. Try This Translate to an equation and solve. a.The product of seven less than a number and eight less than the number is 0. b.A number times one less than the number is zero. c.The product of one more than a number and one less than the number is 24. d.The square of a number minus the number is 20. e.One more than twice the square of a number is 73.

6. Example 3 Translate to an equation and solve. The area of the foresail on a 12-meter racing yacht is 93.75 square meters. The sail’s height is 8.75 meters greater than its base. Find it’s base and height. ½ times the base times the height is 93.75

7. Example 4 Translate to an equation and solve. The product of two consecutive integers is 156. Find the integers. First integer times second integer is 156.

8. Try This Solve. f.The width of a rectangular card is 2 cm less than the length. The area is 15 cm². Find the length and width. g.The product of two consecutive integers is 462. Find the integers.