Al 2 Quadratic equations

© 2009 -2011 tutorco.com 1 Q1. Find the sum and product of 43x2 + 5x – 23 = 0 a) 43 b) -5, -23 c) -5/4, -1/2 d) -5/4, -8 Q2. Find the roots of x2 + 22 x -6 = 0 a) 2, -32 b) 2, 0 c) 3, 2 d) 32, 0 Al_2_4_Pre ALGEBRA 2 TOPIC: QUADRATIC FUNCTIONS © 2009 -2011 tutorco.com 2 Q3. What is the nature of roots of: 3x2 -26x + 2 = 0 a) Distinct b) Real and distinct c) Not Real d) Real and equal Q4. Find the roots of 2x2 – 7x +3 = 0 by completing the square. a) ½ b) 3,1/2 c) ½,0 d) 0,3 © 2009 -2011 tutorco.com 3 Q5. Graph y = 7x2. Compare this graph with the graph of y = x2. a) Vertical stretch by a factor 7 b) Translates c) Vertical shrink by a factor 7 d) All are incorrect.