## Algebra: First Course |

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Very informative. Suggested, although was written in 1913 and its 2010.

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added addition algebraic expression altitude amount angle answer balance ball base called Check circle containing count cubic curve Definition denominator density dimensions direction distance Divide division dollars Draw equal equation Example Exercises factors feet figure force formula fraction function give given grams graph hour Illustration inches indicated interest lead length less letters means measured miles miles an hour million moving multiply negative opposite original parallelogram polynomial positive pounds problem pull quantity radians rectangle represent result root rows rule scale side solution Solve square square units stand straight Substituting subtract Suppose symbol temperature third tion triangle units variable volume weight write zero

### Popular passages

Page 144 - PERIPHERY of a circle is its entire bounding line ; or it is a curved line, all points of which are equally distant from a point within called the centre.

Page 138 - The area of a parallelogram is equal to the product of its base and its height: A = bx h.

Page 11 - Both terms of a fraction may be multiplied by the same number without changing the value of the fraction.

Page 142 - The area of a trapezoid is equal to one.half the product of its altitude and the sum of its bases.

Page 196 - Two workmen can do a piece of work in 6 days. How long will it take each of them to do the work, if it takes one 5 days longer than the other ? 19.

Page 88 - If an expression within a parenthesis is preceded by a minus sign, the parenthesis may be removed ; but the sign of each term in the parenthesis must be changed; the sign + to — and the sign — to +. 155.

Page 193 - If two chords intersect within a circle, the product of the segments of one chord is equal to the product of the segments of the other chord.

Page 39 - ... the sum of the first and second, what is the number of degrees in each angle of the triangle, both interior and exterior?

Page 26 - For example, the sum of the angles of a quadrilateral is four right angles ; of a pentagon, six right angles ; of a hexagon, eight right angles, etc.

Page 30 - Unit of weight, the weight of a cubic centimeter of water at a temperature of 4 degrees centigrade.