2nd MVP Review

Front

What is a direct proportion?

Back

A direct proportion is a relationship between two quantities where if one quantity increases, the other quantity increases at a constant rate. This can be expressed as y = kx, where k is a constant.

Front

What does the equation y = x represent?

Back

The equation y = x represents a direct relationship where the value of y is equal to the value of x. For every increase in x, y increases by the same amount.

Front

What does the point (20,1) mean in a cost graph?

Back

The point (20,1) means that renting the lawn mower for 1 hour costs $20.

Front

What is a rational number?

Back

A rational number is any number that can be expressed as the quotient or fraction of two integers, where the denominator is not zero.

Front

What is the equivalent expression for -9x - 12?

Back

The equivalent expression is -3(3x + 4).

Front

How do you determine if a graph represents a direct proportion?

Back

A graph represents a direct proportion if it is a straight line that passes through the origin (0,0).

Front

What is the meaning of the slope in a linear equation?

Back

The slope represents the rate of change between the two variables in the equation. It indicates how much y changes for a unit change in x.

Front

What is the difference between whole numbers and integers?

Back

Whole numbers are non-negative numbers (0, 1, 2, 3, ...), while integers include all whole numbers and their negative counterparts (..., -3, -2, -1, 0, 1, 2, 3, ...).

Front

What does the term 'variable' mean in mathematics?

Back

A variable is a symbol, often represented by a letter, that stands for an unknown value in an equation or expression.

Front

What is the formula for calculating the total cost in a rental scenario?

Back

The total cost can be calculated using the formula: Total Cost = Rate per Hour × Number of Hours.