Rational Number Operations - Open Up Unit 5

Front

What is a rational number?

Back

A rational number is any number that can be expressed as the quotient or fraction of two integers, where the denominator is not zero.

Front

What is the result of adding a positive number and a negative number?

Back

The result depends on the absolute values of the numbers. If the positive number is greater, the result is positive; if the negative number is greater, the result is negative.

Front

What is the product of two negative numbers?

Back

The product of two negative numbers is a positive number.

Front

How do you find the quotient of two numbers?

Back

To find the quotient, divide the first number (dividend) by the second number (divisor).

Front

What is the formula to calculate change after a purchase?

Back

Change = Amount Paid - Total Cost.

Front

Evaluate: k + 0(-m) - m when m = 5 and k = -4.

Back

-9.

Front

What is the quotient of -20 and -2?

Back

10.

Front

Write an expression for: 20 more than the product of -5 and -7.

Back

(-5)(-7) + 20.

Front

What is velocity?

Back

Velocity is the speed of an object in a given direction.

Front

Calculate the velocity if Mr. Stackhouse jumps 400 feet in 8 seconds.

Back

-50 feet per second.