a. Rewrite the equation 2x+y+4= 0 in slope-intercept form. b. Give the slope and y-intercept. c. Use the slope and y-intercept to graph the linear function. a. The slope-intercept form of the equation is. (Simplify your answer. Use integers or fractions for any numbers in the equation.) b. The slope of the equation of the line is and the y-intercept is (Type integers or fractions.) c. Use the slope and y-intercept to graph the line. Click to enlarge graph