Math 7 Mid-Year Review

Front

What is the result of dividing two negative numbers?

Back

The result is positive. For example, -24 ÷ -8 = 3.

Front

Evaluate the expression: -17 - y² when y = 5.

Back

-17 - 5² = -17 - 25 = -42.

Front

How do you calculate the difference in scores between two players?

Back

Subtract the lower score from the higher score. For example, 30 - (-21) = 30 + 21 = 51.

Front

What is the product of a positive number and a negative number?

Back

The product is negative. For example, 8 * (-4) = -32.

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. For example, | -3 | = 3.

Front

What is the rule for multiplying two negative numbers?

Back

The product of two negative numbers is positive. For example, (-2) * (-3) = 6.

Front

What is the rule for adding two negative numbers?

Back

The sum of two negative numbers is negative. For example, -2 + (-3) = -5.

Front

What is the rule for adding a positive number and a negative number?

Back

The result depends on the absolute values. For example, 5 + (-3) = 2.

Front

What is the value of x if 2x = 10?

Back

x = 5.

Front

What is the value of y if y/4 = -3?

Back

y = -12.