Unit 6, Lesson 11
Perpendicular Lines in the Plane
Geometry
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The rule \((x,y)\rightarrow (y,\text-x)\) takes a line to a perpendicular line. Select all the rules that take a line to a perpendicular line.
\((x,y)\rightarrow (2y,\text-x)\)
\((x,y)\rightarrow (\text-y,\text-x)\)
\((x,y)\rightarrow(\text-y,x)\)
\((x,y)\rightarrow(0.5y,\text-2x)\)
\((x,y)\rightarrow(4y,\text-4x)\)
Lines \(\ell\) and \(p\) are parallel. Select all true statements.
Coordinate plane. Line l through A, at 0 comma 6 and B at 6 comma 8. D at 6 comma 6 connected with dotted lines to A, and B. Line p through C at negative 6 comma negative 6 and F at 6 comma negative 2. E at 6 comma negative 6 connected with dotted lines to C and F.
Triangle \(ADB\) is similar to triangle \(CEF\).
Triangle \(ADB\) is congruent to triangle \(CEF\).
The slope of line \(\ell\) is equal to the slope of line \(p\).
\(\sin(A) = \sin(C)\)
\(\sin(B) = \cos(C)\)
Select all equations that represent the graph shown.
\(y=\text-x + 2\)
\((y-3) =\text-(x+1)\)
\((y-3) =\text-x-1\)
\((y-3) = (x-1)\)
\((y+1) =\text-(x-3)\)