Cumulative TEST #8

Front

Calculate: (-6) + (-3) - (-2) - (+5)

Back

-12

Front

What is the definition of a proportion?

Back

A proportion is an equation that states that two ratios are equal.

Front

If 30% of John's photographs were perfect, but 210 photographs were not perfect, how do you find the total number of photographs?

Back

Let x be the total number of photographs. Then, 0.3x = perfect photographs and 0.7x = 210. Solve for x.

Front

Back

w = 12

Front

What is the formula to calculate the percentage?

Back

Percentage = (Part/Whole) * 100.

Front

Calculate: 5 + (-3) + 2

Back

4

Front

What is the weight in pounds when the cost is 18 dollars from the graph?

Back

3 pounds

Front

What does it mean to solve for a variable in an equation?

Back

To solve for a variable means to isolate the variable on one side of the equation.

Front

Back

The cross products are equal: a*d = b*c.

Front

Calculate: (-4) + 7 - 3

Back

0