Exam 2: Review of Basic Algebra

Solve: - x = 48

Simplify: 11.57843/7

After reducing the regular selling price by 1/7, Moon Electronics sold a TV set for $294. What was the regular selling price?

Solve: x + x + + x + x + 1 = 256

The zinc department of a factory occupies 500 square metres more than 2 times the floor space occupied by the copper department. The total floor space is 9500 square metres. Determine the floor space occupied by the cooper department.

Evaluate r: r = , where I = 116, P = 1760, t =

Evaluate: (-5)-2

Compute:

Simplify: 5(4x - 2)

Compute:

Solve: I = Prt for t

Solve: x + 0.307x = 640.20

Compute:

Compute:

Solve: = for b

Express in exponential form: log3 = -4

Evaluate: (-5)^-3

Solve: - x = x -

Simplify: (-a3 - 10a2 - 3a) ÷ (a)

Solve: - - = 1