0. Review of College Algebra

Add or subtract, as indicated. See Example 6. 5√3 + √12

Add or subtract, as indicated. See Example 6. √45 + 4√20

Add or subtract, as indicated. See Example 6. 2√50 - 5√72

Add or subtract, as indicated. See Example 6. -5√32 + 2√98

Multiply. See Example 7. √6 (3 + √2)

Multiply. See Example 7. (√2 + 1) (√3 + 1)

Multiply. See Example 7. (√2 - √3) (√2 + √3)

Multiply. See Example 7. (√5 + 2)²

Rationalize each denominator. See Example 8. 6 —— √5

Rationalize each denominator. See Example 8. 5 —— √5

Rationalize each denominator. See Example 8. 4 —— √6

Rationalize each denominator. See Example 8. 18 —— √27

Rationalize each denominator. See Example 8. 12 —— √72

Rationalize each denominator. See Example 8. 3 ———— 4 + √5

Rationalize each denominator. See Example 8. 6/(√5 + √3)