8.5I-Practice

Front

What is the equation to find the total amount of money saved after n weeks if Melissa saves $10 each week and starts with $425?

Back

t = 10n + 425

Front

What is slope-intercept form of a linear equation?

Back

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

Front

If a line has a slope of -2 and a y-intercept of -5, what is the equation of the line?

Back

y = -2x - 5

Front

How do you determine the equation of a line from a table of values?

Back

Identify the slope (change in y/change in x) and the y-intercept.

Front

What does the slope of a line represent in a real-world context?

Back

The slope represents the rate of change between two variables.

Front

If a fitness club starts with 80 members and gains 15 members each month, what is the equation for total membership after x months?

Back

y = 15x + 80

Front

What is the meaning of the y-intercept in a linear equation?

Back

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

Front

How can you represent a cost that includes a fixed fee and a variable cost per mile driven?

Back

c = variable_cost * m + fixed_fee.

Front

What is the equation for the total cost c if Mr. Leonard is charged $0.10 per mile plus a $30 fee?

Back

c = 0.10m + 30

Front

What is the significance of the coefficients in a linear equation?

Back

Coefficients represent the rate of change or the amount added/subtracted.