algebra 1 vocabulary

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Across
  1. 6. The distance a number is from 0.
  2. 10. A sum of monomials. Usually, terms with higher powers are written first.
  3. 12. In a power, the number of times the base is multiplied by itself.
  4. 13. A line that you can flip or reflect a graph that results in the same graph
  5. 17. Rigid motion across a fixed line AB in a plane, like a mirror image.
  6. 18. A mathematical sentence with an equals sign (like 3x+5=11).
  7. 22. The most common value in a collection, or “modes” if more than one are tied
  8. 23. A value less than zero (like −3).
  9. 24. A number used to describe or summarize data.
  10. 26. number that has no x beside it
  11. 27. A fractional quantity written with a decimal point (like 0.5).
  12. 28. More than any finite (real) number.
  13. 30. A straight line, or an equation or expression whose graph is a straight line. If m and b are constants, then mx+b is a linear expression, and a function f defined by f(x)=mx+b is a linear function.
Down
  1. 1. Using the distributive law to add any two multiples of an expression such as x. For example, you can simplify 4x+5x into 9x.
  2. 2. The first quartile, median, and third quartile are values which divide a data collection into four roughly equal parts.
  3. 3. A constant that a variable or expression is multiplied by.
  4. 4. An expression of the form ad. a is called the base, d is called the exponent, and ad is called “the dth power of a”. If d is a positive integer, ad means a multiplied by itself d times.
  5. 5. A box with “whiskers” showing the median, quartiles, and extremes (least and greatest values) of a collection of data values.
  6. 7. A dilation by a positive number r about a point A is a transformation that moves each other point B along the ray from A that passes through B, and multiplies distances from A by r. A is called the center of the dilation.
  7. 8. A number that measures how steep a line is. It shows the amount of change in the height of the line as you go 1 unit to the right. The slope of the line y=mx+b is m.
  8. 9. A combination of variables and numbers using arithmetic (like 6−x).
  9. 11. The average of a collection of data values. This can be computed by adding all the values and then dividing by the number of values.
  10. 14. A list of numbers that may be generated by some rule.
  11. 15. The set of outputs (y-coordinates) of a relation or function.
  12. 16. A grid of lines on a coordinate plane that makes it easy to see (x,y) coordinates of locations in that plane.
  13. 19. range The third quartile minus the first quartile.
  14. 20. A value that “lies outside” (is much smaller or larger than) most of the other values in a collection.
  15. 21. The set of inputs (x-coordinates) of a relation or function.
  16. 25. The middle number in an ordered list of data values. If there are an even number of values, the median is halfway between the two middle numbers in the list.
  17. 26. A constant term, thought of as a coefficient of 1.
  18. 29. An expression that is used to compute a value.