Twa kɔ nsɛm atitiriw so
Log in
Sign up for FREE
arrow_back
Laabri

Dilations about the Origin

star
star
star
star
star
Last updated almost 4 years ago
12 Nsɛmmisa
Hyɛ no nsow a efi ɔkyerɛwfo no hɔ:

Introduction to Dilations about the Origin: Scale Factor, Enlargement/Reduction, Graphing Pre-Image & Image

Watch the short video lesson introducing Dilations. Then answer the following questions to check your understanding.

Ɛhia
1
Ɛhia
1
Ɛhia
1
1
Ɛhia
1
Ɛhia
1
Question 1
00:38
keyboard_arrow_down
Ɛhia
1
Question 2
01:14
keyboard_arrow_down
Ɛhia
1
Question 3
02:06
keyboard_arrow_down
Ɛhia
1
Asemmisa {{asɛmmisaAhyɛnsode}}
4.

Triangle ABC has the coordinates in the table below. Where will the location of A' be after a dilation using a scale factor of 1.25?

Asemmisa {{asɛmmisaAhyɛnsode}}
5.

What is the correct algebraic representation of the dilation shown below?

Asemmisa {{asɛmmisaAhyɛnsode}}
6.

Using the diagram below, select all of the true statements.

Asemmisa {{asɛmmisaAhyɛnsode}}
7.

Select all of the true statements based on the diagram below.

Quadrilateral PQRS is shown on the graph below. PQRS was dilated by a scale factor of 0.5 centered at point R to create P'Q'R'S'.

Ɛhia
1
Asemmisa {{asɛmmisaAhyɛnsode}}
8.

Determine if this dilation is an enlargement or a reduction.

Ɛhia
1
Asemmisa {{asɛmmisaAhyɛnsode}}
9.

What is the scale factor? Input your answer as a fraction.

Ɛhia
1
Asemmisa {{asɛmmisaAhyɛnsode}}
10.

Math the coordinate points to the vertices of the image after a dilation by a scale factor 4.

Draggable itemarrow_right_altCorresponding Item

(8, -4)

arrow_right_alt

Q'

(-8, 8)

arrow_right_alt

R'

(8, 8)

arrow_right_alt

P'

(-8, -4)

arrow_right_alt

S'

Asemmisa {{asɛmmisaAhyɛnsode}}
11.

What are the coordinates of P' when triangle PQR is dilated at the origin by a scale factor of 3?

Asemmisa {{asɛmmisaAhyɛnsode}}
12.

Triangle BCD is dilated at the origin with the scale factor of 0.25. Graph the image of B'C'D'.

  • Klik Graph tab (Graph 1, Graph 2, ne nea ɛkeka ho) so ma graph biara a ɛsɛ sɛ wobɔ.
  • Klik graph no akyi na fa asɛm bi ka ho. Twe asɛm bi anaa kyerɛw x ne y coordinates na sesa ne gyinabea. Klik asɛm bi so na popa.
Asemmisa {{asɛmmisaAhyɛnsode}}
1.

In your own words, how would you define "dilation?"

Asemmisa {{asɛmmisaAhyɛnsode}}
2.

What is scale factor? How does the scale factor affect the pre-image?

Asemmisa {{asɛmmisaAhyɛnsode}}
3.

The pre-image has a coordinate point of A(0, 4) and B (3,4). The image has coordinate points of A'(0, 12) and B'(9, 12). What is the scale factor?