Exam 2: Review of Basic Algebra

Calculate ln

Simplify: (5m - 2n)(m - 12n)

Compute:

Compute:

Simplify: (-45a^3b)÷ 15a²

Solve: y = 192 + 0.04y

Simplify:

Evaluate: (-1)¹³

Simplify: 5(4x - 2)

Evaluate 5000

Evaluate s: s = ut + at² for u = 15,a = 32,t = 5

Simplify: (-4)⁴ ∗ (-4)

Sobeys sells fruit trays consisting of pineapple and melons.The manager of the fruit department obtains pineapples at a wholesale price of $2.50 per kg,grapes at $2.15 per kg,strawberries at $1.50 per kg and melons at $1.85 per kg.He is required to produce 10 kg of the mixed fruit.He is required to add 2 kg of strawberries and 3 kg of grapes.What is the maximum weight of pineapple that he can put in the mix in order to have an effective wholesale cost no greater than $2.00 per kg?

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

Solve: 4(2x - 5)+ 3 = 3(x - 4)

Evaluate:

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 y: y = (3x² - x - 1)- (5 - 2x - x²)for x = -3

Solve: = for b

Solve: 3x = 9 + 12x