Pre-Algebra Mixed Review # 2

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

Which of the following is not a rational number: √80, √9, 2½, -7?

Back

√80 is not a rational number.

Front

What is the solution to the inequality -2x - 15 ≤ -4x - 5?

Back

x ≤ 5.

Front

Identify the two consecutive integers between which √12 lies.

Back

√12 lies between 3 and 4.

Front

Simplify: 5(2 - 7n).

Back

10 - 35n.

Front

What is the square root of a number?

Back

The square root of a number is a value that, when multiplied by itself, gives the original number.

Front

What is the difference between rational and irrational numbers?

Back

Rational numbers can be expressed as fractions, while irrational numbers cannot be expressed as fractions.

Front

How do you solve an inequality?

Back

To solve an inequality, isolate the variable on one side using inverse operations, similar to solving an equation.

Front

What does it mean for a number to be a consecutive integer?

Back

Consecutive integers are numbers that follow each other in order, without any gaps, such as 1 and 2, or 3 and 4.

Front

What is the process of simplifying an expression?

Back

Simplifying an expression involves combining like terms and performing operations to reduce it to its simplest form.