use the Y axis to represent distance and the X axis to represent time. Four race cars are heading for the finish line. Car 11 is in the lead and has 1.2 miles to go. But he has engine trouble and is only traveling at a speed of 130 mph. How long before car 11 crosses the finish line (where distance remaining = 0). Car 32 is in second and is .1 miles behind Car 11 (he has 1.3 miles to go). He is traveling at a speed of 140 mph. Add that line to your graph. Car 53 is in third and is .3 miles behind the leader (1.5 miles to go). He is traveling at a speed of 165 mph. Car 94 is in last place, and is .5 miles behind the leader (1.8 miles to go). He is gaining fast, at a speed of 185 mph. Remember, the x axis is time, and the y axis is distance to go. The winner will be_______________________ Second place will go to ____________________________ Third place will go to _________________________________ Fourth place will go to____________________________
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.
use the Y axis to represent distance and the X axis to represent time.
Four race cars are heading for the finish line.
Car 11 is in the lead and has 1.2 miles to go. But he has engine trouble and is only traveling at a speed of 130 mph.
How long before car 11 crosses the finish line (where distance remaining = 0).
Car 32 is in second and is .1 miles behind Car 11 (he has 1.3 miles to go). He is traveling at a speed of 140 mph. Add that line to your graph.
Car 53 is in third and is .3 miles behind the leader (1.5 miles to go). He is traveling at a speed of 165 mph.
Car 94 is in last place, and is .5 miles behind the leader (1.8 miles to go). He is gaining fast, at a speed of 185 mph.
Remember, the x axis is time, and the y axis is distance to go.
The winner will be_______________________
Second place will go to ____________________________
Third place will go to _________________________________
Fourth place will go to____________________________
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