Solve for k. k + 4.9 = 12.28 (a ) 7.38 ( b ) 8.38 ( c ) 16.18 ( d ) 17.18

For problems 29 - 31 the graph of a quadratic function y=ax^2 + bx + c is shown. tell whether the discriminant of ax^2 + bx + c = 0 is positive, negative, or zero.

    choose the correct definition for  extremo.  a.  end      b.  extra      c.  extract      d.  eventual 

What is the measure of one interior angle of a pentagon