online quiz. 1. Simplify the following. a. f(x) =2x - 3-2(5X-4) b. f ( x ) = ( 4x 2 - 5) +(-2x2+3x-5) C. A(r) = (4/3) t r2-(4/3) it (r-5)2 2. Factor each of the following. a. f(x) = 6x2-2x-8. b. f ( x ) = 2x2 -1 C. f(X) = 6x2-13x+6 3. Find a simplified expression for the area of the following composite figure. 2x 2x + 5 4. Simplify the following. 4 x 2 y's a . x y 3 xy b. 9x2 -12x 5. Simplify the following and state any restrictions on the variable. 4x2 - 20x 4x2 - 1 a. x +3 2x2 -9x-5 b. 9x2 -64 3x2 +17x+24 x2 +7x+12 x2 +6x+9