Name ______QUIZ A.1E
Class ______
Predictions & Conclusions in Functional Relationships
Directions: Read each question carefully and choose the best answer. Circle your answer choice.
1. The graph below represents Lisa’s motorcycle trip from her house to a friend’s house.
On which segment of the graph does it appear that Lisa was riding her bicycle at the fastest pace?
A r
B s
C t
D u
2. The graph below best represents which of the following relationships between temperature and
time?
A Oven temperature while a cake is baking
B Temperature of water that is heated on a stove, removed, and then allowed to cool
C Temperature of a container of hot tea after placing several cubes of ice in it
D Room temperature of a gym after the air conditioner is turned on
3. Jonathon studied the parabola shown below.
Which is an accurate conclusion that Jonathon could make about this parabola?
A The vertex is at (-3, 0).
B The minimum value is at (0, -4).
C The maximum value is at (3, 0).
D The axis of symmetry is the x-axis.
4. Study the parabola below.
Which is an accurate conclusion that you can make about this parabola?
A The maximum value is at (5, 0).
B The minimum value is at (0, 5).
C The axis of symmetry is the x axis.
D The slope of the parabola is 2.
5. Ruth recorded the amount of rainfall for each month from April to September.
Based on the information in the graph, which of the following conclusions is not reasonable?
A More rain fell in July than in August.
B June was the month with the most rainfall.
C More rain fell in June than in April and July combined.
D From 1 to 4.4 inches of rain fell in each of the months recorded.
6. During what time period did the temperature increase at the greatest rate?
F A to B
G B to C
H C to D
J D to E
7. The graph below shows the shipping rates for Pack – N – Mail Shipping Store.
Lauren has $32.50. What is the best estimate of the heaviest package she can
ship?
A 45 lb
B 50 lb
C 20 lb
D 15 lb
8. George drove his car at a constant speed and then slowed down and stopped at a
stoplight. When the light turned green, he sped up and returned to his previous
speed. Which graph below best represents this scenario?
9. Ally sells shoes at a Sports Store. What will her approximate commission be if
she sells an item that costs 68.00?
A $7
B $8
C $75
D $60
10. Alex is selling two types of cookies. On average, she sells twice as many
chocolate chip cookies as peanut butter cookies. Does the graph below model
this relationship?
A yes
B no
C The graph is correct if Alex sells less than 8 cookies
D The graph is correct if Alex sells more than 50 peanut butter cookies