DM Review 2024

Front

What does \( \cap \) mean?

Back

Intersection: The set of elements that are common to both sets.

Front

What is the formula for the perimeter of a rectangle?

Back

Perimeter = 2(length + width)

Front

What is the formula for the area of a triangle?

Back

Area = \( \frac{1}{2} \times base \times height \)

Front

What does \( A \cup B \) represent?

Back

Union: The set of elements that are in either set A, set B, or both.

Front

What is the formula for calculating net pay?

Back

Net Pay = Gross Salary - (SS Tax + Medicare Tax + Health Insurance)

Front

What is the value of \( 2^3 \)?

Back

8

Front

What is the formula for the area of a circle?

Back

Area = \( \pi r^2 \) where r is the radius.

Front

What does \( A \subseteq B \) mean?

Back

Subset: Set A is a subset of set B if all elements of A are also in B.

Front

What is the formula for the circumference of a circle?

Back

Circumference = \( 2\pi r \) where r is the radius.

Front

What is the formula for the area of a rectangle?

Back

Area = length \times width