Integers, COP UR, Proportions, Fractions, %

Front

What is an integer?

Back

An integer is a whole number that can be positive, negative, or zero, but does not include fractions or decimals.

Front

What is the constant of proportionality?

Back

The constant of proportionality is the ratio between two proportional quantities, often represented as 'k' in the equation y = kx.

Front

How do you find the height after descending from a certain height?

Back

To find the new height after descending, subtract the descent from the original height. For example, if the original height is 141 feet and it descends 22 feet, the new height is 141 - 22 = 119 feet.

Front

What is a proportion?

Back

A proportion is an equation that states that two ratios are equal. For example, if a/b = c/d, then a, b, c, and d are in proportion.

Front

How do you solve a proportion?

Back

To solve a proportion, cross-multiply and then divide. For example, if a/b = c/d, then ad = bc.

Front

What does it mean if a graph is proportional?

Back

A graph is proportional if it passes through the origin (0,0) and shows a constant ratio between the x and y values.

Front

What is percent change?

Back

Percent change is a way to express the change in a quantity as a percentage of the original amount. It is calculated as ((new value - old value) / old value) * 100.

Front

How do you calculate the percent change from 5 to 8?

Back

Percent change = ((8 - 5) / 5) * 100 = (3 / 5) * 100 = 60%.

Front

What is a fraction?

Back

A fraction represents a part of a whole and is expressed as a numerator (top number) over a denominator (bottom number).

Front

What is the relationship between fractions and percentages?

Back

Fractions can be converted to percentages by multiplying the fraction by 100. For example, 1/2 = 0.5 = 50%.