IM1 Chapter 2 Flashcard

Front

What is the formula to calculate the final price after a discount?

Back

Final Price = Original Price - (Original Price × Discount Rate)

Front

Back

Set up two equations: x - 6 = 11 and x - 6 = -11, then solve for x.

Front

What does it mean if an equation has no solution?

Back

It means there are no values of the variable that satisfy the equation.

Front

How do you calculate percent change?

Back

Percent Change = ((New Value - Original Value) / Original Value) × 100%.

Front

What is a proportion?

Back

A proportion is an equation that states that two ratios are equal.

Front

Back

No Solution, because absolute values cannot be negative.

Front

If an item costs $100 and has a 40% discount, what is the final price?

Back

Final Price = $100 - ($100 × 0.40) = $60.

Front

How do you determine if two ratios are proportional?

Back

Cross-multiply and check if the products are equal.

Front

What is the definition of a discount?

Back

A discount is a reduction in the original price of an item.

Front

What is the meaning of percent increase?

Back

Percent increase measures how much a value has grown relative to its original amount.