Exam 12: Review of Basic Concepts and Skills

Rewrite the expression as a single term.

Rewrite the expression using the commutative property of addition and simplify if possible. -9 + 5

Evaluate without a calculator, using the order of operations.

Factor the expression completely, if possible. Rewrite the expression in standard form and factor out "-1" if needed. If you believe the trinomial will not factor, answer "prime." -21x² + 6x + 15x³

Convert to decimal form and graph by estimating the number's location between two integers.

Simplify the expression, assuming that the variable can represent any real number.

Compute as indicated. Write answers in lowest terms.

Use the following to answer questions : The cost C, in millions of dollars, for a government to find and seize P% of an illegal drug is modeled by the rational equation . -Will 100% of the drugs ever be seized?

Simplify the expression. Assume the variable represents a non-negative real number.

Use the following to answer questions : -List all the numbers in the set that are elements of N.

Use the following to answer questions : -Rewrite the elements of the set in order from smallest to largest.

Evaluate/simplify the expression.