MidTerm REVIEW Barrett

Front

What is the total change in the amount of money if Emily spends $3.50 on a snack every day for 7 days?

Back

-$24.50

Front

What is the linear equation that best describes a line with a slope of 8?

Back

y = 8x

Front

What expression represents the total cost of c boxes of crayons at $4.50 each and s sketchbooks at $6.75 each, including a 7% sales tax?

Back

1.07(4.50c + 6.75s)

Front

If a boat costs $50,000 and requires a 20% down payment, how much is the down payment?

Back

$10,000

Front

How many times does a mockingbird beat its wings in 3 minutes if it beats its wings 14 times per second?

Back

2,520 times

Front

What is the formula to calculate the total cost including tax?

Back

Total Cost = Price + (Tax Rate × Price)

Front

Define 'linear equation'.

Back

An equation that makes a straight line when graphed, typically in the form y = mx + b.

Front

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

Back

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

Front

What is the significance of a negative value in a financial context?

Back

A negative value indicates a loss or decrease in money.

Front

How do you calculate a percentage of a number?

Back

Multiply the number by the percentage (as a decimal).