1.
What is true about the graphs of
y
= 2
x
2
and
y
= -2
x
2
?
A.
y
= 2
x
2
opens upward and
y
= -2
x
2
opens downward.
B.
y
= 2
x
2
opens downward and
y
= -2
x
2
opens upward.
C.
y
= 2
x
2
opens to the right and
y
= -2
x
2
opens to the left.
D.
y
= 2
x
2
opens to the left and
y
= -2
x
2
opens to the right.
Hint
2.
See the line graph below of George's, Jerry's, and Stanley's heights between the ages of 5 and 14 years. Predict Jerry's height when he becomes 15 years old.
A.
64 inches
B.
66 inches
C.
62 inches
D.
66¼ inches
Hint
3.
Describe the graph below.
A.
A person walking from the right side of a room to the left, moving faster as time passes.
B.
A person walking from the right side of a room to the left, moving at a constant speed.
C.
A person walking from the left side of a room to the right, moving slower as time passes.
D.
A person walking from the left side of a room to the right, moving faster as time passes.
Hint
4.
Find the graph of
.
A.
B.
C.
D.
Hint
5.
Find a description that can model this graph.
A.
Bill walking to the store.
B.
Bill walking back and forth across a room.
C.
Bill running in a cross country race.
D.
Bill taking his dog for a walk to the park and back..
Hint
6.
Find the example that does not model a repeating pattern involving weather.
A.
yearly precipitation patterns
B.
arrival of the seasons
C.
daily temperature variations
D.
path of a hurricane
Hint