Equations and Inequations
Equations and inequalities describe the relationship between two mathematical expressions.
Linear Functions
A linear function can just be a constant, or it can be the constant multiplied with the variable like x or y. If the variables are of the form, x2, x1/2 or y2 it is not linear. The exponent over the variables should always be 1.
When a model rocket is launched, the propellant
burns for a few seconds, accelerating the rocket upward.
After burnout, the rocket coasts upward for a while and then begins
to fall. A small explosive charge pops out a parachute shortly after
the rocket starts down. The parachute slows the rocket to keep it
from breaking when it lands. When did the parachute pop out? How fast was the rocket
falling then?
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