4.(3 points) draw a venn diagram to represent the set bncua bo(caa.
8. (4 points) determine whether each proposition is true or false. a. (1 point) 2

Which equation shows the quadratic formula used correctly to solve 5x2 + 3x -4 0 for x? cos -3+ v (3) 2-4() 2(5) 3+ |(3)² +4() 205) 3+ (3) 2-4() -3+ v (3)² +4()