004 PreAssessment • Name:
$\text{slope m}=\frac{({y}_{2}{y}_{1})}{({x}_{2}{x}_{1})}$
$(y{y}_{1})=\mathrm{m}(x{x}_{1})$

The first graph plots data from a soap density measurement laboratory. The slope of the line is the density of the soap.
 __________ Calculate the slope of the line.
 ______________ Determine the yintercept of the line.
 y = _________ x + __________ Write the y = mx + b slopeintercept equation for the line.
 ____________________________ Write the units of measurement for the xaxis.
 ____________________________ Write the units of measurement for the yaxis.
 ____________________________ Write the units of measurement for the slope.
 A student gathered the data seen in the table below.
 Plot the data.
 __________ Calculate the slope of the line.
 __________ Calculate the intercept of the line.
 __________ cm. How far will the RipStik travel in 23 seconds?
 __________ seconds. How long in seconds for the RipStik to travel 7500 centimeters?
 __________ What is the slope of the line y = 2.0 + 0.15x?
 __________ What is the yintercept of the line y = 2.0 + 0.15x?
 _______________ What math class are you in? If you are not in math this term, what is the highest math class you took?