College Algebra Project

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Across
  1. 2. The abbreviation for ‘least common multiple’. The smallest positive integer into which two or more integers divide evenly.
  2. 10. A function that has a graph resembling a staircase. y = | x |
  3. 12. Root A nonnegative number that must be multiplied times itself to equal a given number. ________ _______ of x is written √x
  4. 13. The complete distance around the edge of a circle.
  5. 14. The total distance around the edges of the figure
  6. 16. Operations that alter the form of a figure. Including translations, reflections, stretches, compressions, and rotations.
  7. 19. The side of a right triangle opposite the right angle; the longest side of a right triangle.
  8. 21. The bottom part of a fraction. For 3/5, the ________________ is 5.
  9. 22. The number D = b2 – 4ac determined from the coefficients of the equation ax^2 + bx + c = 0. This reveals what type of and the number of roots an equation has.
  10. 24. The abbreviation for ‘greatest common factor’; the largest integer that divides evenly into each of a given set of numbers.
  11. 25. The number of unit squares that can be contained within a plane
  12. 26. Value ___________ ___________ makes a negative number positive. Positive numbers and 0 are left unchanged. The _______ _______ of x is written as |x|.
  13. 27. A quantity that can change or that may take on different values. A _______ also refers to a letter or symbol representing such a quantity.
Down
  1. 1. A graphical transformation in which a figure, such as a parabola, grows smaller. Also known as a ‘shrink’. a < 1
  2. 3. A point at which a graph intersects the y-axis.
  3. 4. The result of writing sum of two terms as a difference or vice-versa. x+2 is to x-2
  4. 5. The lowest point in a graph. Known as relative or absolute.
  5. 6. Complex numbers with no real part, such as 5i.
  6. 7. A fraction which has a larger numerator than denominator is known as this.
  7. 8. The top part of a fraction. For 12/47, the _____________ is 12.
  8. 9. A formula for the roots of a quadratic equation.
  9. 10. Describes a geometric figure or a graph consisting of two parts that are congruent to each other.
  10. 11. When a line has an equation of y=b, then the line is __________.
  11. 15. The highest point in a graph. Known as relative or absolute.
  12. 17. _____ of a Function. A value of x which makes a function f(x) equal 0. Also known as an x-intercept.
  13. 18. When a line has an equation in which x=b, then the line is ___________.
  14. 20. The "slope" of a vertical line. A vertical line has an ______ slope because all points on the line have the same x-coordinate. As a result the formula used for slope has a denominator of 0.
  15. 23. A mathematical sentence built from expressions using one or more of the symbols <, >, ≤, or ≥.
  16. 28. The mathematics of working with variables. (Hint: We are in College _______.)