## First Course in AlgebraGinn & Company, 1910 |

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### Common terms and phrases

1st number 2d number 3x²y 9 a² 9 x² A's age A's distance a²b a²b² a²c a²x a²x² a³x ab² abc2 ac² Algebra ax² ax³ B's age B's rate base in feet equal the number equation graph greater number hypotenuse inches lars less number Let Then Whence Let Therefore Whence Let x equal miles per hour number of days number of dollars number of feet number of hours odd number perimeter R₁ represent the number required number second number Solving square roots statement becomes Whence Substituting unknown number w₁ Whence 22 Whence h Whence x x+2y x²y x²y² x²y³ x³y xy² xy³ ах ха

### Popular passages

Page 167 - If h is the digit in hundreds' place, t the digit in tens' place, and u the digit in units...

Page 268 - Jteduce the fractions to their lowest terms, then divide the LCM of the numerators by the GCD of the denominators.

Page 170 - Let x = the rate of the boat in still water in miles per hour, and y = the rate of the current in miles per hour. Then 36 = 3, x + y or x + y = 12; (I) and ^ = 3, or x - y = 8.