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TSI Mathematics Videos 144 videos

TSI Math: Writing the Slope-Intercept Equation of a Graphed Line
97 Views

What is the equation of the line graphed above?

TSI Math: Plugging in Slope and Point to Find the Equation of a Line
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A line passes through the point (-4, -4) and has a slope of . What is its equation?

TSI Math: Using Intercepts to Find the Slope of a Line
5 Views

Line A has an x-intercept of -4 and a y-intercept of 8. What is its slope?

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TSI Math: Understanding Rotational Symmetry for Regular Polygons 4 Views


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Description:

Which of the following is not true of a regular hexagon?


Transcript

00:01

Which of the following is not true of a regular

00:05

hexagon Well to tackle this problem go over each answer

00:13

option one at a time to find incorrect ones right

00:16

Remember that regular polygons have a rotational symmetry equal to

00:20

their number of sides right tex six they're hex has

00:24

six eyes so a regular hexagon will have a rotation

00:28

symmetry of order six Well that means it has six

00:31

lines of symmetry left through there It'll have symmetry every

00:35

time it's spun sixty degrees since well three hundred sixty

00:39

divided by six equals sixty and it'll have symmetry when

00:42

we spin it sixty degrees one hundred twenty degrees one

00:45

hundred eighty degrees two hundred four degrees three hundred degrees

00:48

and three hundred sixty degrees Yeah so get rid of

00:50

sea there so that means a regular hexagon does not

00:53

have a rotational symmetry of order Five so a is 00:00:56.886 --> [endTime] the right answer here right Wrong one

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