Mixed Friday Review 3/21

Front

Back

The initial number of waves increases at a rate of 15% each day.

Front

What is the solution to the equation |-2r - 1| = 11?

Back

No Solution

Front

When do you flip an inequality symbol?

Back

You flip the inequality symbol when you multiply or divide by a negative number.

Front

What does the y-intercept represent in a situation?

Back

The y-intercept represents the initial value before any changes occur, such as buying $30 worth of supplies for a lemonade stand.

Front

How many solutions does the equation |-5c| = 0 have?

Back

One solution.

Front

Define exponential growth.

Back

Exponential growth occurs when a quantity increases by a consistent percentage over time.

Front

What is the formula for exponential growth?

Back

Front

What is the absolute value of a number?

Back

The absolute value of a number is its distance from zero on the number line, regardless of direction.

Front

What happens to the graph of a function when you multiply by a negative number?

Back

The graph of the function reflects over the x-axis.

Front

What is a y-intercept in a linear equation?

Back

The y-intercept is the point where the line crosses the y-axis, represented as (0, b) in the equation y = mx + b.