Unit 3a

Front

What does the inequality -8x < 48 represent?

Back

It represents that x must be greater than -6.

Front

How do you simplify the expression (5x + 3) - (2x - 5)?

Back

The simplified expression is 3x + 8.

Front

What is the constant of proportionality in a direct variation?

Back

It is the ratio between the two variables, represented as k in the equation y = kx.

Front

How do you calculate percent decrease?

Back

Percent decrease = ((original price - sale price) / original price) * 100.

Front

What is the equation for a proportional relationship where y varies directly with x?

Back

y = kx, where k is the constant of proportionality.

Front

What is the solution to the inequality x > -6?

Back

It means x can be any number greater than -6.

Front

What is the first step in solving the inequality -8x < 48?

Back

Divide both sides by -8, remembering to reverse the inequality sign.

Front

What does it mean to simplify an expression?

Back

To combine like terms and reduce the expression to its simplest form.

Front

What is the formula for finding the constant of proportionality?

Back

k = y/x, where y is the dependent variable and x is the independent variable.

Front

If a scooter's regular price is $65.50 and it's on sale for $52.40, what is the original price?

Back

The original price is $65.50.