The University of Texas at El Paso

'A. DIRECTIONS: Read each item carefully then writes the letter of the best answer on a sheet of paper
DIRECTIONS: Read each item carefully then writes the letter of the best answer on sheet of paper. Which of the following represents quadratic inequality? A.3x2 4x - 5=0B.>_82 3x Cx +4x-5 D. 3x - 5 < 0 2. Which of the following is a solution to the inequality x $-2? A -2 3. How do you write "for all values of x such that x is greater than negative 2 but is less than 6"? A {x:-2sXs6} B: {x: -2 < x < 6} C. {x:-22x2 6} D {x: -2 > > 6} The solution set {x: -3 < x < 1} can be expressed as A. (-3,1] B. [3, 1) C.(-3,1) D.[3, 1] 5 . Find the solution set ofx? 2x - 15 > 0. A {x x <-3 or x > 5} B. {x: -5 < x < 3} C:{xx < =5 or x > 3} D: {x: -< x < 5} Using the given the graphical solution, which statements islare true?
I. Zero (0) is one of the solutions set II. Any positive real numbers are the solution set. A. |only B. Il only C.both | and none of the above 7 . Which of the following is the correct interval notation for each region in the number line at the right? 4) U[-t,5]u (5,0) (~o, 4) U (4,5)U (5,0) (~o,-4]u(-4,5) U[5,00) D. (~0,-4]u[-4,5]u [5,0) 8 . Bea needs to make garden plot which has an area less than 24f2 . The length should be 2 ft longer than the width_ What are the possible dimensions of the box? 2ft by 6ft B. 3ft by 4f C.3f by Sft D. 4f by 6 f 9. The product of two integers is at most 50 and their sum is 15. Which of the following is NOT solution? A. (12, 3) B. (11,4) C. (10,5) D. (9,6) 10. The area of rectangular garden should be at least 300 square meters_ If its lengih ( / ) is 10 meters more than twice its width (w) find the range of the possible values for the lots width_ ws10m w < 15m w 2 1Om D. w 2 15m'