Quarter 2 QSE Review

Front

What is the equation to calculate the total cost of Stella's internet plan if the company charges $0.15 per minute and a monthly fee of $40?

Back

y = 0.15x + 40

Front

What equation represents Zara's bank account situation where she made an initial deposit and adds a fixed amount weekly?

Back

y = 20x + 120

Front

What is a function in mathematics?

Back

A function is a relation where each input has exactly one output.

Front

Is the mapping shown a function if an input has multiple outputs?

Back

Not a Function

Front

What is the equation that describes the relationship between the total cost of renting a bike and the number of hours rented, given the cost is $6 per hour plus a $30 fee?

Back

y = 6x + 30

Front

What equation represents a direct variation where the output is 40 times the input?

Back

y = 40x

Front

Define a linear equation.

Back

A linear equation is an equation that makes a straight line when graphed.

Front

What does the slope in a linear equation represent?

Back

The slope represents the rate of change of the dependent variable with respect to the independent variable.

Front

What is the y-intercept in the equation y = mx + b?

Back

The y-intercept is the value of y when x is 0, represented by b.

Front

How do you determine if a relation is a function using a mapping diagram?

Back

If any input is connected to more than one output, it is not a function.