Mathematics 
Book 1 
                       Grade  8 
                      March 13—17, 2006 
                                                                         47953 
                                                        2         3 
   1      What is the greatest common factor of 48x   and 72x      ? 
         A      12x2 
         B      12x3 
         C      24x2 
         D      24x3 
   2      In the diagram below, which angle is congruent to ∠5 ? 
                                                       2 
                                                     1 
                                                         5 
                                                              3 
                                                                 4 
         F     ∠1 
         G     ∠2 
         H     ∠3 
         J     ∠4 
                                                                                           Go On 
■ SECURE MATERIAL ■                                                                            Page 5 
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   3      Luther makes a table in his shop class. A diagram of the top of the table is shown 
          below. 
                                                         y   45o 
         What is the measure of ∠y ? 
         A       45 
          B      55 
          C      135 
          D      145 
   4      A pair of sandals is on sale for 20% off the original price. If the original price is $16.00, 
         what is the sale price? 
          F      $3.20 
          G      $12.00 
          H      $12.80 
         J       $19.20 
Page 6                                               Book 1                                  ■ SECURE MATERIAL ■ 
                                                                                   Do not reproduce. Do not discuss contents 
                                                                                    until end of designated makeup schedule. 
   5       Multiply the expression below. 
                       –3x (x   4) 
          A      –3x2   4 
          B      –3x2   7 
          C      –3x2   12x 
          D      –3x2   12x 
   6       Simplify the expression below. 
                       3x   9x 
          F      12 
          G      12x 
          H      12x2 
          J      12(x   x) 
   7       Simplify the expression below. 
                            2 
                        24x  y 
                        6xy 3 
                     3 4 
          A      18x y 
          B      4xy 2 
                 4x 
          C 
                  2 
                 y 
                 18x 2 
          D 
                   2 
                  y 
                                                                                                     Go On 
■ SECURE MATERIAL ■                                                                                      Page 7 
Do not reproduce. Do not discuss contents            Book 1 
until end of designated makeup schedule. 
   8       Gary drew a triangle on the coordinate grid shown below. 
                                                             y 
                                                            6 
                                                            5 
                                                            4 
                                                            3 
                                                            2 
                                                            1 
                                                                                       x 
                                        -6 -5  -4 -3  -2 -1 0    1  2   3  4   5  6 
                                                           -1 
                                                           -2 
      

历届美国纽约州中学八年级数学考试题目.pdf