Real Numbers 8.2A,8.2B, 8.2C

Front

What are real numbers?

Back

Real numbers include all the numbers on the number line, including rational numbers (like integers and fractions) and irrational numbers (like √2 and π).

Front

How do you order real numbers from least to greatest?

Back

To order real numbers, compare their values. For example, -0.44 < -3/7 < 0.14 < 141% < √2.

Front

What is the decimal equivalent of 141%?

Back

141% is equivalent to 1.41 in decimal form.

Front

How do you convert a percentage to a decimal?

Back

To convert a percentage to a decimal, divide by 100. For example, 72% = 72/100 = 0.72.

Front

What is the square root of 24?

Back

The square root of 24 is approximately 4.899.

Front

How do you compare negative numbers?

Back

When comparing negative numbers, the number with the greater absolute value is smaller. For example, -3 is less than -2.

Front

What is the value of √2?

Back

The value of √2 is approximately 1.414.

Front

How do you solve inequalities?

Back

To solve inequalities, isolate the variable on one side, similar to solving equations, but remember to reverse the inequality sign when multiplying or dividing by a negative number.

Front

What is the decimal equivalent of -3/7?

Back

The decimal equivalent of -3/7 is approximately -0.4286.

Front

How do you find the greatest common factor (GCF) of two numbers?

Back

To find the GCF, list the factors of each number and identify the largest factor they have in common.