Jan 13, 2011
Chapter 1 Forumlas (D)
Quadratic relationship:
y=ax^2 + bx + c
Inverse Relationship:
y=a/x
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Chapter 1 Forumlas (D)
Quadratic relationship:
y=ax^2 + bx + c
Inverse Relationship:
y=a/x
Chapter 1 Definitions and Formulas Group D
Words:
independent variable- factor that is changed during an experiment
dependent variable- factor that depends on the independent variable in an experiment
line of best fit- line that best passes through or near the graphed data
linear relationship- relationship between two variables whose graphed data points lie on the same line
Formulas:
quadratic relationship- y=ax^2+bx+c
inverse relationship- y=a/x
Chapter 1 Graph (D)
Chapter 1 Questions (D)
Chapter 2 Questions (D)
Chapter 2 Definitions (D)
Time Interval - the difference between two times
Displacement - change in position
Position-time graph - a graph whose x-axis represents time and y-axis represents position
Average Velocity - V(average) = Change in distance/ change in time
Displacement with constant average velocity - d = v(average) x t + d(initial)
Sample Problem 2B
A. Car B, if it starts at 1.0 minutes, it is at .5 km
Car A, since it is 1 minutes ahead of Car B, is at 1.0km at 2 minutes
The cars are .5 km apart
B. the cars meet at 2 minutes
C. Car A at 3 minutes= 1.75 km
Car B at 3 minutes= 1.25 km
The cars are .5 km apart
These are most likely wrong, so please somebody correct me