2nd Quarter Review

Front

What is a linear relationship?

Back

A linear relationship is a relationship between two variables that can be represented by a straight line on a graph. It shows a constant rate of change.

Front

How do you calculate the total number of items produced at a constant rate?

Back

To calculate the total number of items produced at a constant rate, use the formula: Total = Rate × Time.

Front

What does 25% of a total represent?

Back

25% of a total represents one-fourth of that total. It can be calculated by multiplying the total by 0.25.

Front

How do you find the total sales if you know a percentage of it?

Back

To find the total sales when you know a percentage, divide the known amount by the percentage (in decimal form). For example, if 18 tickets are 25%, then Total = 18 / 0.25 = 72 tickets.

Front

What is the formula to calculate a percentage of a number?

Back

The formula to calculate a percentage of a number is: Percentage = (Part / Whole) × 100.

Front

What is a similar figure in geometry?

Back

Similar figures are shapes that have the same shape but may differ in size. Their corresponding angles are equal, and their sides are in proportion.

Front

How do you find the width of a similar figure if you know the height and the ratio?

Back

To find the width of a similar figure, use the ratio of the corresponding sides. If the height is known, set up a proportion to solve for the width.

Front

What is the equation for a constant rate of change?

Back

The equation for a constant rate of change is typically written as y = mx + b, where m is the rate of change and b is the y-intercept.

Front

What does it mean to enlarge a figure?

Back

To enlarge a figure means to increase its size while maintaining the same proportions and shape.

Front

How do you calculate the contribution of a percentage towards a total cost?

Back

To calculate the contribution of a percentage towards a total cost, multiply the total cost by the percentage (in decimal form). For example, for $88.00 at 25%, Contribution = 88 × 0.25 = $22.00.