8.5I Flashcard

Front

What is the function to find the total amount of money Ashley will have saved at the end of w weeks of doing chores if she saves $7 every week and has already saved $18?

Back

t = 7w + 18

Front

What is the algebraic equation that represents the relationship in the table if y decreases by 3 as x increases by 1?

Back

y = x - 3

Front

What is the function to find the total amount the coach pays in dollars when t trophies are ordered if there is a one-time fee of $15 and each trophy costs $4?

Back

c = 4t + 15

Front

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

Back

y = mx + b, where m is the slope and b is the y-intercept.

Front

What linear function best describes a graph with a slope of 3/5 and a y-intercept of 4?

Back

y = 3/5x + 4

Front

Define a linear function.

Back

A linear function is a function that graphs to a straight line, represented by the equation y = mx + b.

Front

What does the slope of a line represent in a linear function?

Back

The slope represents the rate of change of y with respect to x.

Front

What is the y-intercept in a linear equation?

Back

The y-intercept is the value of y when x = 0.

Front

How do you determine the slope from two points (x1, y1) and (x2, y2)?

Back

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

Front

What is the meaning of the term 'function' in mathematics?

Back

A function is a relation that assigns exactly one output for each input.