Answer:
y = -2(x -2) +5
Step-by-step explanation:
The slope of the given line is 1/2, so the slope of the perpendicular line will be the negative reciprocal of that: -1/(1/2) = -2.
In a version of point-slope form, the equation of the line through the given point can be written as ...
y = m(x -h) +k . . . . . for slope m and point (h, k)
For our slope of -2 and point (2, 5), the equation is ...
y = -2(x -2) +5
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Not every graphing calculator has "ZStandard" or "ZSquare".
