hint: multiply/foil (x+y)(x-y) and see what happens A. B. C. D. E. hint: multiply/foil (x+y)(x-y) and see what happens A. B. C. D. E. What is the value of √(b2-4ac) when a=-1, b=-3, and c=3. round to the hundredth 1.73 21 4.58 not possible hint: multiply/foil (x+y)2 and see what happens A. B. C. D. E. hint: what can you multiply 8 by to turn it into 20? A. B. C. D. E. A. B. C. D. E. |