X 1 2 number line July 8, 2019 16 32 64 128 8 x 1 2 number line X 1 2 3 number line X − 2 ≥ − 1 number line Graph x 1 1 2 on a number line 1 4 x 2 on a number line 2 3 x 1 5 on a number line 1 x 1 2 x 2