D Question 6 1 pts Graph the equation by determining the missing values needed to plot the ordered pairs. y - x = -1; (4, ), (, 6), (3, )\f\f\fD Question 8 1 pts Find the center-radius form of the equation of the circle. center (9, 6), radius 11 O ( x + 9)2 + (y + 6)2 = 121 O ( x - 6)2 + (y- 9)2 = 11 O ( x + 6)2 + (y + 9)2 = 11 O ( x - 9)2 + (y- 6)2 = 121\f\fQuestion 10 1 pts Decide whether the relation defines a function. HH HHHH O Function O Not a function