Exam 1: Review of Algebra

A number squared is six more than five times the number.What is the number?

(4x - 3)(2x + 1)=

Solve: - = 1

Completely factor: - 13z - 5

Simplify and express your answer in terms of positive exponents; rationalize the denominator to avoid fractional exponents in the denominator:

Solve: = 3

The equations x - 7 = 0 and 3(x - 7)= 0 are equivalent.

Solve: = x - 4

Simplify and express your answer in terms of positive exponents:

Simplify:

Simplify:

(x + 1)( + 3x - 5)- =

Solve the equation by using quadratic formula.Use a calculator and give your answer by rounding off to 2 decimal places: - 4.8x + 1.9 = 0

Perform the operation and simplify your answer:

Solve: (2x + = 2(2 + 2x + 5)

Perform the operation and simplify your answer: -

Rationalize the denominator and simplify:

Evaluate:

The area of a rectangular swimming pool which has a length 15 meters more than its width is 250 square meters.What are the dimensions of the swimming pool?

4 =