Pre-Algebra

Front

What is standard form in mathematics?

Back

Standard form is a way of writing numbers using powers of ten. For example, 4.3756 x 10^4 is written as 43,756.

Front

How do you calculate relative frequency?

Back

Relative frequency is calculated by dividing the number of times an event occurs by the total number of trials or observations.

Front

What is the equation for 'twice a number plus 6 is -72'?

Back

The equation is 2x + 6 = -72.

Front

What is a function in mathematics?

Back

A function is a relation where each input has exactly one output. For example, (2,3) and (3,4) are part of a function, but (2,3) and (2,5) are not.

Front

How do you find the range of a set of numbers?

Back

The range is found by subtracting the smallest number from the largest number in the set.

Front

What is scientific notation?

Back

Scientific notation is a way of expressing numbers that are too large or too small to be conveniently written in decimal form, using powers of ten.

Front

What does it mean for a set of values to be a function?

Back

A set of values is a function if no two ordered pairs have the same first element.

Front

How do you convert a number from scientific notation to standard form?

Back

To convert from scientific notation to standard form, multiply the number by 10 raised to the power indicated.

Front

What is the formula for calculating the range of a data set?

Back

Range = Maximum value - Minimum value.

Front

What is the difference between a variable and a constant?

Back

A variable is a symbol that represents an unknown value, while a constant is a fixed value that does not change.