Which is the best type of graph to model the speed of a roller coaster over the full two minutes it takes to complete the ride? • a qualitative graph

• a discrete graph

• a bar graph

• a histogram

Ms. sutton recorded the word counts and scores of the top ten essays in a timed writing contest. the table shows her data. how does the word count of an essay relate to its score in the contest? word count tends to decrease as the score decreases. word count tends to increase as the score decreases. word count tends to remain constant as the score decreases. word count has no apparent relationship to the score of the essay.

What is the vertex form of f(x) = x2 + 6x + 3

Rectangle pqrs has length a and width 4b. the x-axis bisects ps and qr what are the coordinates of the vertices