SE Flashcard #2

Front

What is a non-proportional relationship?

Back

A non-proportional relationship is one where the ratio between x and y values is not constant. This means that as x changes, y does not change at a constant rate.

Front

What is the constant of proportionality?

Back

The constant of proportionality is the constant value (k) that relates two proportional quantities, expressed as y = kx.

Front

What is a y-intercept?

Back

The y-intercept is the value of y when x is 0 in a linear equation, representing where the line crosses the y-axis.

Front

How do you find the rate of change in a linear relationship?

Back

The rate of change is found by dividing the change in y by the change in x (slope = Δy/Δx).

Front

Back

The solution is x = 24.

Front

How do you calculate the difference between two temperatures?

Back

To find the difference between two temperatures, subtract the lower temperature from the higher temperature.

Front

What is the difference in temperature between 34.1°F and -8.6°F?

Back

The difference is 42.7°F.

Front

Is -3.5 an integer?

Back

No, -3.5 is not an integer; integers are whole numbers without fractions or decimals.

Front

What is 30% of 50?

Back

30% of 50 is 15.

Front

How do you convert a percentage to a decimal?

Back

To convert a percentage to a decimal, divide the percentage by 100.