Quizlet

Flashcards: Algebra 1; Unit 6 Vocab

Instructions

  1. Print this webpage. If you can, set your printer to Grayscale for faster printing.
  2. Fold each page down the middle along the solid vertical line.
  3. Cut along the dotted horizontal lines.
  4. Optional: Use tape, glue, or staples to hold the two sides of each flashcard together.

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slopethe ratio of change in the vertical to the change in horizontal
direct variationa relationship as the independent value increases, the dependent value increases, or as the independent value decreases, the dependent value decreases
slope intercept formgiven the slope m and the y-intercept of a line, the _______ of an equation is y=mx+b
point slope formfor a given point (x,y), on a nonvertical line having slope m, the __________ of a linear equation is: y-y1=m(x-x1)
parallel linesif two non-vertical lines have the same slope, then they are _____
perpindicular linesif the product of the slopes of 2 lines is -1, then the lines are ________. (they are opposite reciprocals)
line of best fita line that describes, in general, the correlation between two sets of data
midpointthe middle of a line; (x1+x2/2, y1+y2/2)
distancethe length of a line; square root(x2-x1)squared+(y2-y1)squared