Scalars, vectors, similar figures

Water boils at 100 degrees C. Is this value a scalar or a vector?

• scalar

• vector

Sketch the vector [2, 3]. Then sketch what it would look like to multiply that vector by a scalar value of -1.

Tags

CCSS.HSN-VM.B.5A

CCSS.HSN-VM.B.5B

Draw a 2 x 2 square. Then Dilate that shape by a scalar value of 2.

Tags

CCSS.8.G.A.3

What is the magnitude of a vector that starts at the point (1,2) and ends at (9,7)?

• 9

• 8.755

Tags

CCSS.HSN.VM.A.1

In your own words, describe why the red shapes are considered "similar" while the purple are not.

Tags

CCSS.8.G.A.2

CCSS.HSG.CO.B.6

What is the scale factor of figure A to figure B? (In other words, what did we dilate figure A by to get figure B? ) How do you determine this?

Tags

CCSS.8.G.A.3

Sketch the vector [4, -3] anywhere on the grid.

Tags

CCSS.HSN.VM.A.1

Do you think we have enough information to say the two triangles are similar? Why or why not?

Tags

CCSS.HSG.SRT.A.2

The given triangles are similar. Set up a correct proportion that would be used to solve for x.

Tags

CCSS.HSG.SRT.A.2