algebra 2--------linear systems

© 2009 -2011 tutorco.com 1 Q1. State whether the function g(x) = 9x + 7 is linear or not. Also evaluate the function when x = −2. a) Yes, -11 b) Yes, 25 c) No, -11 d) Yes, -25 Q2. Find the slope of the line that passes through the points (−6, 8) and (4, 10) a) -1/5 b) 1/5 c) 0 d) 5 Q3. Check whether (0, 1) lies on x + 2y = 3 or not. a) Yes b) No c) Can’t say d) None ALGEBRA 2 TOPIC: LINEAR FUNCTIONS Al_2_6_Pre © 2009 -2011 tutorco.com 2 Q4. Find the equation of line with slope – 2/3 and y-intercept as 7. a) 2x + 3y = -7 b) y = 2/3x +7 c) 3y = -2x -7 d) 2x + 3y – 7 = 0 Q5. The numbers r and s vary directly and the constant of variation is 3/5. Find r if s = 45; and find s if r = 33. a) 55 and 27 respectively b) 25 and 50 respectively c) 27 and 55 respectively d) 27 and 50 respectively