Unit 3 Remediation

Front

What is an irrational number?

Back

An irrational number is a number that cannot be expressed as a fraction of two integers. Its decimal representation is non-repeating and non-terminating.

Front

Can you add radical expressions with different radicands?

Back

No, you cannot add radical expressions with different radicands. They must have the same radicand to be combined.

Front

What is a rational number?

Back

A rational number is any number that can be expressed as a fraction of two integers, where the denominator is not zero. Its decimal representation is either terminating or repeating.

Front

What does it mean to simplify an expression?

Back

To simplify an expression means to reduce it to its simplest form, combining like terms and eliminating any unnecessary components.

Front

How do you combine like terms in algebraic expressions?

Back

You combine like terms by adding or subtracting the coefficients of terms that have the same variable raised to the same power.

Front

What is the result of simplifying the expression 5 + √36?

Back

The result is 11, since √36 equals 6, and 5 + 6 = 11.

Front

What is the sum of the expressions (2x² + 5x - 7) and (3 - 4x² + 6x)?

Back

The sum is -2x² + 11x - 4.

Front

What is a radical expression?

Back

A radical expression is an expression that includes a root, such as a square root or cube root.

Front

What is the square root of 36?

Back

The square root of 36 is 6.

Front

What does it mean for a number to be 'simplified'?

Back

A number is simplified when it is expressed in its most basic form, with no further calculations possible.