Pre algebra warm up 12/13

Front

What is the sale price of a video that costs $25.95 with a 25% discount?

Back

$19.46

Front

Back

Front

Write the equation for the model: 3n + 4 = -n - 6

Back

3n + 4 = -n - 6

Front

What is the range of the mapping if the output values are {1, 2, 4}?

Back

{1, 2, 4}

Front

What is the domain of a relation?

Back

The set of all x-values.

Front

What is a percentage?

Back

A fraction expressed as a part of 100.

Front

How do you calculate a percentage of a number?

Back

Multiply the number by the percentage (as a decimal).

Front

What is the formula for finding the slope of a line?

Back

Slope (m) = (y2 - y1) / (x2 - x1).

Front

What does it mean for two numbers to be proportional?

Back

They maintain a constant ratio to each other.

Front

What is the difference between the domain and range of a function?

Back

Domain is the set of input values (x-values), while range is the set of output values (y-values).