a. Rewrite the equation 3x+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 y=-3x-4(Simplify your answer. Use integers or fractions for any numbers in the equation.)b. The slope of the equation of the line is -3 and the y-intercept is(Type integers or fractions.)c. Use the slope and y-intercept to graph the line.