SAT Subject Test Mathematics Level 1

4 × 3 × 2 × 1 = 24

34 . B

That     and     are    parallel    tells   you that    the outside triangle    ACE and

the inside  triangle    BCD are similar.    Corresponding   sides   are proportional:

35 . E

For what    values  of  x can   you take    the square  root    of  x^2     –   4?  Only    those

values  for which   x^2     –   4   is  nonnegative:

36 . A
Sketch the diagram: