7th Grade ACAP Review

Front

What is sales tax?

Back

Sales tax is a percentage of the sale price of goods and services that is collected by the seller and paid to the government.

Front

How do you calculate the total cost including sales tax?

Back

To calculate the total cost including sales tax, multiply the price of the item by the sales tax rate, then add that amount to the original price.

Front

What is the formula to solve for x in a linear equation?

Back

The formula to solve for x in a linear equation is to isolate x on one side of the equation, typically by adding, subtracting, multiplying, or dividing both sides.

Front

What does the constant of proportionality represent?

Back

The constant of proportionality represents the ratio between two proportional quantities, indicating how one quantity changes in relation to another.

Front

How do you calculate a percentage tip?

Back

To calculate a percentage tip, multiply the total bill amount by the tip percentage (expressed as a decimal).

Front

What is the distributive property in mathematics?

Back

The distributive property states that a(b + c) = ab + ac, meaning you can distribute a number across a sum.

Front

Simplify the expression: 6 + 2(7x - 3)

Back

14x.

Front

What is a linear equation?

Back

A linear equation is an equation that makes a straight line when graphed, typically in the form y = mx + b.

Front

How do you solve for x in the equation -4x = 24?

Back

Divide both sides by -4 to get x = -6.

Front

What is the meaning of 'constant' in mathematics?

Back

A constant is a fixed value that does not change.