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Two parabolas are graphed in the coordinate plane. Parabola A is a function, and parabola B is not a function. What is the maximum number of points...
Which of the following points is a location where the function f(x) = -2x² + 12x + 54 crosses the horizontal axis?
TSI Math: Identifying a Rotated Shape on a Graph 3 Views
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Description:
Rotating the above figure 90° clockwise about the point (2, -5) results in which of the following?
Rotating the above figure 90° clockwise about the point (2, -5) results in which of the following?
Transcript
- 00:02
All right sy mash bumpers Next up here we go
- 00:04
rotating the figure Ninety degrees clockwise about the point to
- 00:10
negative five So that's a point right here Results in
- 00:15
which of the following All right so we're going to
- 00:20
rotate it clockwise The clock goes tick tick tick this
Full Transcript
- 00:24
direction for all you digital clock snobs out there That's
- 00:27
what clockwise means it's trickier to rotate the whole shape
- 00:30
around to negative five So we'll rotate individual points within
- 00:35
the shape Instead you start with the top point of
- 00:37
the hexagon Draw a line segment from the top point
- 00:40
two two negative five like that And then count the
- 00:42
horizontal and vertical change between the two points a ziff
- 00:45
were you know finding a slope Excellent We move nine
- 00:48
units right and three units down Well to rotate the
- 00:51
point ninety degrees clockwise started to negative five and then
- 00:55
count up nine units and three units Right Follow the
- 00:59
same process with other points on the hexagon until we
- 01:02
have enough information to connect the rotated points and complete
- 01:05
the hex a gun and well more or less that's
- 01:07
what it looks like Yeah yeah we know they could
- 01:09
have written the directions clear here We didn't write these
- 01:11
things some alright anyway Pretty rainbow colors and that's it
- 01:15
that's what it should look like So the answer is 00:01:17.659 --> [endTime] b we show up We graft or done
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