Identify the terms, like terms, coefficients, and constants in each expression. 1. 2 + 3a + 9a

2. 7 - 5x + 1

1. terms = 2, 3a, 9a ; like terms = 3a, 9a ; coefficients = 3, 9 ; constants = 2

2. terms = 7, -5x, 1 ; like terms = 7, 1 ; coefficients = -5 ; constants = 7, 1

horizontal translation of 2 units in the positive x direction

followed by

vertical translation of 3 units in the positive y direction