QUESTION 1 Simplify: -+b-1 a-1-b-1 O1. b ta O2. b+ a b O 3. b - a b O 4. bta b - a QUESTION 2 Write the variation: r varies inversely as the square of m O 1. m O 2. m 2 O 3. k Im O 4. m 2 QUESTION 3 Find the x-intercepts of the graph of the equation: =4x2- 32x+ 60 O a. (4,0), (3,0), (5,0) O b. (3,0), (5,0) O c. (0,0) , (3,0), (5,0) O d. (-3,0), (-5,0)QUESTION 4 Simplify the rational expression: 1 1x2+ 33x3 2x + 6x2 O 1. 1 1x2+ 33x3 2x + 6x2 O 2. 11 2 O 3. 1 1x 2 O 4. 11 + 33x3 2x + 6 QUESTION 5 Factor completely 4_ 8x2-9 O a. (x+ 3) (x -3) (x+ 1) (x-1) O b. ( x 2 - 9 ) (x2 + 1 ) O c. (x + 3 ) (x - 3) (x2+ 1 ) O d. ( x - 3) 2 (x2 + 1 ) QUESTION 6 Solve _ x2+ 18=3x O a. 3, 6 O b.-6,-3 O c. 6,-3 O d. 3,-6QUESTION 7 x+2 Determine the domain of the function: f (x) = x2-49 O 1. {xlx is a real number } O 2. (xlx # - 7 and x # 7) O 3. (xlx # 0 and x # 49) O 4. ( xlx # - 7,x # 7, andv x # -2) QUESTION 8 Write an equation whose graph will have the x-intercept at _ _ and -7. 4 O a. y=4x2 + 37x+ 63 O b. y=4x2- 37x + 63 O c. y=4x2 + 37x - 63 O d. y=4x2+ 37x+ 63 4 QUESTION 9 For f (x) =x2+ 4x, find all values of a for which f (a) =60- O a. 10, 6 O b. 10, -6 O c. -10, 6 O d. -10, 1