You use FOIL (first, outer, inner, last) to check your answer. Eg: (x-4)(x+3)then distribute by using FOIL to get 2 2
x +3x -4x -12 then simplify to get x -x -12
The quadratic formula is -b + or - the square root of b squared - 4 times the a value and c value over 2a. So the roots would be -1.354249 and -6.645751. I believe these are the roots.
Answer: A) 0 divided by anything is 0 so its undefined
Step-by-step explanation:
Can you please show a diagram thanks
Answer: Yes, 2.125 is a rational number.
Step-by-step explanation: