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Linear Functions
vocab.
Term | Definition |
---|---|
rate | ratio or fraction |
change | difference or subtraction |
rate of change | the change in the output divided by the corresponding change in the input |
slope(meaning) | steepness of a line |
slope(formula) | m= (y2-y1)/(x2-x1) |
y-intercept | the y-value of the point where a line (or curve) cross the y-axis when the x-value is 0 |
co-efficent | a constant number that is multiplied by a variable |
slope(interept) | y= mx+b (solve for y) |
point(slope) | y-y1 = m(x-x1) |
the slope of 0/5 | 0 |
the slope of 5/0 | undefined |
tangent line | a line that intersects a curve at one point |
normal line | a line that is perpendicular to the tangent line and goes through the point of tangency |