All Common Core: 8th Grade Math Resources
Example Questions
Example Question #11 : Describe Qualitatively The Functional Relationship Between Two Quantities By Analyzing A Graph: Ccss.Math.Content.8.F.B.5
The graph provided displays the speed of a race car during a race.
Based on the graph, what is likely occurred between the and part of the race?
The race car driver is waiting to begin the race
The race car driver is driving at a consistent speed
The race car driver is decreasing his speed
The race car driver is increasing his speed
The race car driver is driving at a consistent speed
The time is displayed along the x-axis of the provided graph. Between the and part of the race, the driver is going at each time point. We can see from the straight line between those two points that the race car driver's speed doesn't change; thus, the race car driver is driving at a consistent speed.
Example Question #71 : Functions
The graph provided displays the speed of a race car during a race. Based on the graph, what is likely occurring between the and part of the race?
The race car driver is waiting to begin the race
The race car driver finished the race
The race car driver increased his speed
The race car driver stopped for some reason
The race car driver stopped for some reason
Between the and part of the race, the race car driver decreases his speed from to . If we look pasted this point on the graph, we see that he speeds back up and continue with the race, so the race didn't not end. Because he comes to a stop at , he didn't just slow down, he stopped; thus, he must have had to stop for some reason, but then resumed the race.