014 skills pre-assessment • Name:

1. The first graph plots data from a soap density measurement laboratory. The slope of the line is the density of the soap.
1. __________ Calculate the slope of the line.
2. ______________ Write the units for the slope of the line.
3. ______________ Determine the y-intercept of the line.
4. ____________________________ Write the y = mx + b slope-intercept equation for the line.
2. A student gathered the data seen in the table below.
1. Plot the data.
2. __________ __________ Calculate the slope of the line.
3. __________ __________ Calculate the intercept of the line.
4. __________ __________ Based on the slope and intercept, how far will the RipStik travel in 23 seconds?
5. __________ __________ Based on the slope and intercept, how long in seconds for the RipStik to travel 7500 centimeters?
3. __________ What is the slope of the line y = 5.5 + 0.85x?
4. __________ What is the y-intercept of the line y = 5.5 + 0.85x?
5. _______________ What math class are you in, if not in math this term, what is the highest math class you took?