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Category: Education

## Presentation Transcript

### What is a radical term? :

It is a term which contains a radical. What is a radical term?

### But what is a radical? :

But what is a radical? A radical is another name for a square root.

### Slide 4:

Okay—so a radical term . . . . . . is an term that contains a radical, or square root. Look! There goes one now!

### Slide 5:

Consider these two expressions:

### Slide 6:

What makes them different? What do they have in common?

### Slide 7:

You may have noticed that the two expressions are really the same, if . . .

### Slide 8:

If what? Under what condition would the two expressions be identical?

### Slide 9:

The two expressions are identical when

### Slide 10:

That means since you already know how to simplify the first expression . . .

### Slide 11:

. . . then you also know how to simplify the radical expression .

### Slide 12:

The rules that apply to combining like terms

### Slide 13:

also apply to combining radical terms.

### Slide 14:

also apply to combining radical terms.

### Slide 15:

You can only combine radical terms when the radicands are identical. When what are identical? What is a radicand?

### Slide 16:

The radicand is the number underneath the square root sign.

### Slide 17:

When two (or more) terms have exactly the same radicand,

### Slide 18:

we call them like radical terms, and we can combine them .

### Slide 19:

But when the radicands are not identical . . .

### Slide 20:

. . . the terms cannot be combined.