Which of the following are characteristics of the graph of the quadratic parent function?

check all that apply!

a: it is in quadrants | and ||
b: it has a slope of 1.
c: it goes through the origin.
d: it is a parabola.

Is the square root of 4 plus the square root of 16 rational?

Set $r$ is a set of rectangles such that (1) only the grid points shown here are used as vertices, (2) all sides are vertical or horizontal and (3) no two rectangles in the set are congruent. if $r$ contains the maximum possible number of rectangles given these conditions, what fraction of the rectangles in set $r$ are squares? express your answer as a common fraction.

Define the type of sequence below. -2,0,2,4,6 a. both arithmetic and geometric b. arithmetic c. neither arithmetic nor geometric d. geometric