8th Grade Math Semester 1 Review

Front

What type of number is √12 when converted into a decimal?

Back

Irrational and nonterminating.

Front

What is the value of x in the equation x² = 49?

Back

x = +7 or -7.

Front

Why is √42 considered an irrational number?

Back

Because it is a nonterminating, nonrepeating decimal.

Front

What is the rate of increase in the odometer reading for Don's car?

Back

15,000 miles per year.

Front

How many times greater is the tuition at George Washington University compared to Eastern Florida State College?

Back

20 times greater.

Front

Define a rational number.

Back

A number that can be expressed as a fraction of two integers.

Front

What is a nonterminating decimal?

Back

A decimal that goes on forever without repeating.

Front

Explain the difference between a terminating decimal and a nonterminating decimal.

Back

A terminating decimal has a finite number of digits after the decimal point, while a nonterminating decimal continues indefinitely.

Front

What is the square root of a number?

Back

A value that, when multiplied by itself, gives the original number.

Front

What does it mean for a number to be irrational?

Back

It cannot be expressed as a fraction of two integers and has a nonterminating, nonrepeating decimal expansion.