A. B. C. D. Which expression is equivalent to (x + 8)(x – 8)? 9. x2 + 64 x2 + 16x + 64 A. C. x2 – 64 x2 – 16x – 64 B. D. 10. The side length of a cube is What is its volume? A. B. C. D. Which expression is equivalent to 11. (2x2 + 4x + 1) + (3x2 + 3x + 4)? 5x2 +7x +5 6x2 +12x +4 A. C. 5x4 +7x2 +5 6x4 +12x2 +4 B. D. Which expression is equivalent to (2x2 + 6x – 1) – (3x2 – x + 3)? 12. + 7x – 4 + 5x – 4 A. C. –x2 –x2 + 7x + 2 + 5x + 2 B. D. –x2 –x2
A. B. C. D. 9. Which expression is equivalent to (x + 8)(x – 8)? A. x2 + 64 C. x2 + 16x + 64 B. x2 – 64 D. x2 – 16x – 64 10. The side length of a cube is What is its volume? A. B. C. D. 11. Which expression is equivalent to (2x2 + 4x + 1) + (3x2 + 3x + 4)? A. 5x2 +7x +5 C. 6x2 +12x +4 B. 5x4 +7x2 +5 D. 6x4 +12x2 +4 12. Which expression is equivalent to (2x2 + 6x – 1) – (3x2 – x + 3)? A. –x2 + 7x – 4 C. –x2 + 5x – 4 B. –x2 + 7x + 2 D. –x2 + 5x + 2
Polynomials%20SchoolNet%20Questions.docx