- -9. Given the equation 6x + 3y = 12 what is the slope ? A. 2 B.-2 C. 3 D.-3

10. Given the equation 4x + y = 20, what is the value of the coefficient A ? A. 4 B.-2 C. 2 D.-4

11. If written in standard form, what are the values of A, B and C in the equation 2x + 6y = A. a = 2, b = 6,0 = 8 C. a = 6, b = 2, c = 8 B. a = 8, b = 6, C= 2 D. a = 2, b = 8,0 = 6​