The retention factor value is an older form of paper chromatography.

An investigator collects a blood sample but does not know if it is from a human or an animal. To make a determination, the forensic lab completes a:

The first step in investigating a crime is to:

To find latent fingerprints on a piece of balsa wood, an evidence technician might use:

Evidence collected at a crime scene is sent to:

Forensic science is:

The type of qualitative test that separates substances within a mixture according to their physical properties is:

To examine the marks left by a gun’s barrel on two sample bullets, a forensic scientist might use a:

Solve the equation for in terms of .   TIP: Remember, the goal is to isolate the variable you are solving for (in this case, ) on one side of the equation.   

Plot the three points , , and on the coordinate plane. State whether the three points you plotted appear to be collinear (on the same line).  Remember to show your work by drawing the graph and plotting the points.Be sure to draw out the graph and plot the three points.