Drag point P or Q along the x-axis direction; they snap to steps of 0.5 from −8 to 8 and ride on the graph. Keyboard: focus the graph, press P or Q to pick a point, then use the left and right arrow keys. Or type the x-values in the boxes.
Your job
Tap a picture, then tap the description that matches it (or the other way round). Graphs have a 1-unit grid and run from −6 to 6. Every card is a button, so Tab and Enter work too.
Fictional people and practice numbers to learn the math.
Wrong picks are fine here. Each one tells you why.