Question

若将二元一次方程2x+3y=4化为y=kx+b的形式,则b分之k=______．

Answer 1

2x+3y=4

3y=-2x+4

y=-2x/3+4/3

k=-2/3

b=4/3

k/b=(-2/3)/(4/3)=(-2/3)(3/4)=-1/2.