What is the difference in the graphs of f(x)=x^2 and f(-x)=(-x)^2?

a. the graphs appear to be the same because f(-x) is a reflection over the y-axis

b. the graph is a reflection over the x-axis

c. the graph is rotated 90 degrees

d. the graph translates up the y-axis

Fill in the blank 1. a rhombus is a rectangle a) always b) sometimes c) never 2. a square is a quadrilateral a) always b) sometimes c) never 3. a trapezoid is a kite a) always b) sometimes c) never 4. a quadrilateral is a kite a) always b) sometimes c) never 5. a square is a rhombus a) always b) sometimes c) never 6. a parallelogram is a rectangle a) always b) sometimes c) never