Math III Word Scramble
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Question | Answer |
How to find position formula | should be given to you; x(t) |
Find velocity at time t. | Find velocity formula; find derivative of x(t) |
When is the particle at rest? | set v(t)=0; solve for t |
When is the particle moving in a positive direction? | set v(t)>0; use zeros on ↔ to find when values are + |
Find acceleration at time t. | Find derivative of v(t) or find x''(t) |
initial velocity of the particle | find v(0) |
Is the particle accel. or decel. at t=__ sec? | Find accel. of whatever time given; determine by > or < |
Accelerating or decelerating ? a(3)>0 | accelerating |
Accelerating or decelerating? a(3)<0 | decelerating |
In what direction is the particle moving at t=__sec? | Find v of whatever time is given; determine by > or < |
In what direction is the particle moving if v is +? | ↑ or → |
In what direction is the particle moving if v is -? | ↓ or ← |
When is the particle slowing down? | when a(t) & v(t) have opposite signs on ↔ |
when given dy/dx which variable will have a derivative w/o needing the notation? | x |
What is the unit for volume using ft? | ft^3 |
What is the unit for area using ft? | ft^2 |
What is the unit for anything else using ft? | ft |
What does "how fast" mean for a related rates problem? | find the rate |
When doing any related rates problem what will always be at the bottom (i.g. dy/dx)? | dt |
When doing any related rates problem what will always be at the top (i.g. dy/dx)? | whatever you're looking for |
*don't forget to study/practice graph & chart problems!* | N/A |
When is the particle speeding up? | when a(t) & v(t) have the same sign on ↔ |
Give all the times when the object is moving → | set v(t)>0; use zeros on ↔ to find when values are + |
another way to ask when is the particle moving in a positive direction | Give all the times when the object is moving → |
Find the times when the particle changes direction | Give intervals where v(t) & a(t) have the same sign w/o including - numbers |
When writing time intervals what type of numbers should you NEVER include? | negative numbers |
Why should you never include negative numbers when talking about time? | time is never negative |
area of square formula | A=s^2 |
area of circle formula | A=pi*r^2 |
volume of cube formula | V=s^3 |
Created by:
OnChromebook
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