What is the value of the discriminant for the quadratic equation 0=x+2+x^2

On a cm grid, point p has coordinates (3,-1) and point q has coordinates (-5,6) calculate the shortest distance between p and q give your answer to 1 decimal place

Using inductive reasoning, what are the next two number in this set? 2,3/2,4/3,5/4,

Which pair of numbers is relatively prime? a. 105 and 128 b. 130 and 273 c. 205 and 350 d. 273 and 333