![]() Change in the verticalĭirection divided by change in the horizontal direction. This little triangle here is the Greek letterĭelta, it means change in. ★So with Linear Equations, it's just those four slope line types to learn and understand.ĭefined as your change in the vertical direction, and I could use the Greek letter delta, Vertical line is the only one that doesn't work within a function, since an input must be unique to an output, but one x maps to all y). Undefined Slope ↕️ a Vertical Line with only one x-value, to all y-values.(So all possible x inputs map to the same y output.) As x increases or decreases y just stays the same. Zero Slope ↔️ a Horizontal Line, that includes all x-values, but only one y-value.So every single number is on their lines! ★ Both ↗️↘️ Positive and Negative sloped lines include all x and all y values. Is a ' decreasing slope' because as x inputs become larger, the y outputs become smaller. ★ Negative slopes have a decreasing slope, so they run from upper left positions towards lower right coordinates. Is an ' increasing slope' because as x inputs become larger, the y outputs become larger too. ★ Positive slopes have an increasing slope that runs from lower left positions to upper right coordinates. So either towards the Northeast or the Southeast. ± Slopes of a linear equation can be measured in either direction, but the direction the line runs is from Left to Right. No linear equation slope runs towards Northwest…īut Negatives run from the Northwest to the Southeast, (downward to the right). ![]()
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