Choose the graph below that has an undefined slope. vertical line through the point negative 6 comma 0 line through the points negative 1 comma 1 and 0 comma negative 4 horizontal line through the point 0 comma negative 6 line through the points negative 2 comma negative 3 and 0 comma 6 question 3(multiple choice worth 5 points) (03.03 mc) choose the graph below that correctly represents the equation 3x + 9y = −18. line through the points negative 6 comma 0 and 0 comma 2 line through the points negative 6 comma 0 and 0 comma negative 2 line through the points negative 2 comma 0 and 0 comma 6 line through the points negative 2 comma 0 and 0 comma negative 6