Kami Export - Seth Boucher - (Dec 4 A) 8.3 Solving Equations Using Speical Factors.pdf

This preview shows page 1 out of 1 page.

Unformatted text preview: 12/4 IM2 Name: 8.3 Solving Equations Using Special Factors Period: No. 1. Solve Using Special Factors Solve: x​2​ - 18x + 81 = 0 (x + 9)(x+9) = 0 x+9=0 x = -9 2. 4x​2​ + 28x + 49 = 0 (2x - 7)(2x- 5) = 0 2x - 7 = 0 2x = 7 x = 7/2 3. 16x​2​ - 121 = 0 (4x - 11)(4x + 11) = 0 4x - 11 = 0 or 4x + 11 = 0 4. 4x = 11 or 4x = -11 x = 11/4 or x = -11/4 x​2​ - 25 = 0 (x - 5)(x - 5) = 0 x - 5 = 0 or x + 5 = 0 x = 5 or x = -5 ...
View Full Document

  • Left Quote Icon

    Student Picture

  • Left Quote Icon

    Student Picture

  • Left Quote Icon

    Student Picture