Functions Recovery Grade

Front

What is the slope-intercept form of a linear equation?

Back

The slope-intercept form is given by the equation y = mx + b, where m is the slope and b is the y-intercept.

Front

What do you plot first when graphing a line in slope-intercept form?

Back

You plot the y-intercept first, then use the slope to find another point.

Front

What is a function?

Back

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

Front

Is the list of books and their copies a function?

Back

No, it is not a function because multiple books can have the same number of copies.

Front

What is the total cost formula for buying x number of books at $4 each with a $5 shipping fee?

Back

Total Cost = 4x + 5.

Front

Calculate the total cost if Paris buys 4 books at $4 each with a $5 shipping fee.

Back

Total Cost = 4(4) + 5 = 16 + 5 = 21.

Front

If DeJean has x - 5 apples and originally had 14 apples, how many apples does he have now?

Back

He has 9 apples.

Front

What is the definition of a unique assignment in functions?

Back

A unique assignment means that each input corresponds to one and only one output.

Front

Is assigning each guest a unique table number based on their invitation code a function?

Back

Yes, it is a function because each invitation code corresponds to one table number.

Front

What is the y-intercept in a linear equation?

Back

The y-intercept is the point where the line crosses the y-axis, represented by the value of b in the slope-intercept form.