Chapter 4, Lesson 1


4-1.A translate word sentences into equations
Write each word sentence as an equation.
a.
Five less than the product of twelve and a number, n, is nineteen
b. One-half the sum of six and a number, k, is eighteen.

4-1.B evaluate algebraic expressions
Evaluate each expression for the indicated value of the variable.
a.
9x —12 for x = 4 b. 5q + 8.3 for q = —6