Question

you start at (1, -3). you move up 8 units. where do you end?

Explanation:

Step1: Recall coordinate - movement rule

In a coordinate system, moving up changes the y - coordinate. The x - coordinate remains the same when moving vertically.
The starting point is $(1,-3)$. The x - coordinate is $x = 1$ and the y - coordinate is $y=-3$.

Step2: Calculate the new y - coordinate

When moving up 8 units, we add 8 to the y - coordinate. The new y - coordinate is $y=-3 + 8=5$. The x - coordinate stays $x = 1$.

Answer:

$(1,5)$