3. The slope of the line 3x + 4y-12 = 0 is - the intercept on the y-axis is——

3. The slope of the line 3x + 4y-12 = 0 is - the intercept on the y-axis is——

The slope of the line 3x + 4y-12 = 0 is - # 190;, and the intercept on the y-axis is 3