Algebra 1
Terms
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- Two lines are________ if thier slopes are negatice reciprocals
- Perpendicular
- Two lines in the same plane that never intersect are______ and have the____slope.
- Parallel/Same
- The ratio of the vertical change to the horizontal change is called the___
- Slope
- The y-coordinated of the point at which the graph of a line crosses the verical axis is called the_______
- y intercept
- The form of a line called point-slope form is_______and is used when you are given either___ _____on a line or the___slope and one____on the line.
- y-y=mx(x-x)/2 points/slope/point
- The form of a line called slope-intercept form is____ and is used when you are given the____and the____
- y=mx+b/slope/y-intercept
- An equation in the form x=c is a_____ line.
- vertical
- An equation in the form y=c
- horizontal
- The form of a line called Standard for is________and must not have any_____and A must be_____.
- Ax+By=C/fractions/positive
- If I have data given for every year from 1980-2000, interpolation would be estimating for the year___and extrapolating would be estimating for the year____
- between 1981-1999/right to left