Questions:
Factor each quadratic expression into a product of linear factors.
- 2x2 + 15x + 7
- 7z2 - 30z + 27
- 8x2 - 10x - 3
- 30d2 + 7d - 15
- 10g2 + 23g + 12
Answer:
- (2x + 1)(x + 7) = 0
- (z - 3)(7z - 9) = 0
- (4x + 1)(2x - 3) = 0
- (6d + 5)(5d - 3) = 0
- (2g + 3)(5g + 4) = 0
Reference:
Complete Test Preparation for the GED Test 2014 by Steck-Vaughn