0. Review of College Algebra

Add or subtract, as indicated. See Example 4. 3 5—— + —— 2k 3k

Add or subtract, as indicated. See Example 4. 1 2 4—— + —— + —— 6m 5m m

Add or subtract, as indicated. See Example 4. 1 b—— + —— a a²

Add or subtract, as indicated. See Example 4. 5 11———— - ——— 12x²y 6xy

Add or subtract, as indicated. See Example 4. 17y + 3 -10y - 18———— - ————— 9y + 7 9y + 7

Add or subtract, as indicated. See Example 4. 1 1——— + ——— x + z x - z

Add or subtract, as indicated. See Example 4. 3 1——— - ——— a - 2 2 - a

Add or subtract, as indicated. See Example 4. x + y 2x——— - ——— 2x - y y - 2x

Add or subtract, as indicated. See Example 4. 4 1 12———— + —————— - ———— x + 1 x² - x + 1 x³ + 1

Add or subtract, as indicated. See Example 4. 3x x —————— - ———— x² + x - 12 x² - 16

Simplify each complex fraction. See Examples 5 and 6. 4 - — 3———— 2 — 9

Simplify each complex fraction. See Examples 5 and 6. y r—— x r

Simplify each complex fraction. See Examples 5 and 6. 5⁄8 + 2⁄3———— 7⁄3 - 1⁄4

Simplify each complex fraction. See Examples 5 and 6. ( -4⁄3 ) + 12⁄5———————— 1 - ( -4⁄3 ) (12⁄5)

Simplify each complex fraction. See Examples 5 and 6. 1 + 1 x———— 1 - 1 x