Chapter 4 Algebra 2 Vocabulary

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Across
  1. 3. A quadrtic equation in the form y=a(x-h) squared where (h,k) is the vertex of the parabola and x=h is its axis of symmetry
  2. 4. In the equation f(x)=ax squared +bx+c, ax squared is the quadratic term
  3. 10. The x intercepts of a graph of a function; the points of the graph where f(x)=0
  4. 11. A process used to make a quadratic expression into a perfect square trinomial
  5. 13. In the quadratic formula, the expression b squared-4ac
  6. 14. The y-coordinate of the vertex of the quadratic function f(x)=ax squared +bx+c, where a>0
  7. 15. A linear equation written in the form ax+by=c , where a b and c are integers whose gcf=1, a is less than or equal to 0, and a and b are not both zero. A quadratic equation written in the form ax squared +bx+c=0, where a, b, and c are integers and a does not equal 0
  8. 16. i, or the principle square root of -1
  9. 18. Two complex numbers in the form of a + bi and a - bi
Down
  1. 1. Any of the points in an intersection of the graphs of the constraints that determine a feasible region
  2. 2. In f(x)=ax squared +bx+c, c is the constant term
  3. 4. An inequality of the form y>f(x)=ax squared +bx+c,y is less than or equal to f(x)=ax squared +bx+c
  4. 5. The y-coordinate of the vertex of the quadratic function f(x)=ax squared +bx+c, where a<0
  5. 6. A quadratic equation set equal to a value, in the form f(x)=ax squared +bx+c=0, where a does not equal 0
  6. 7. The solutions of a quadratic equation of the form ax squared +bx+c=0 here a does not equal zero, are given by the quadratic formula which is
  7. 8. The square roots of negative real numbers, for any positive real number b
  8. 9. Any number that can be written in the form a + bi, where a and b are real numbers and i is the imaginary unit
  9. 12. In the term f(x)=ax squared +bx+c, bx is the linear term
  10. 17. The solutions of a quadratic equation