Monday

November 30, 2015
Number of results: 60,697

**Geometry **

The circumference of a circle changes from 20 to 4 after a dilation. What was the scale factor of the dilation? A. 1/25 B. 1/5 C. 5 D. 25
*March 2, 2014 by anon*

**Geometry **

A dilation has center (0, 0 ,0). Find the image of the point (-1, -2, 0) for the scale factor of 3. Please help!
*November 19, 2015 by Belle*

**Geometry **

A dilation has center (0, 0, 0). Find the image of the point (-1, -2, 0) for the scale factor of 3. Please help? Thanks
*November 25, 2015 by SkatingDJ*

**11th grade**

A monitor displays the graph y = 3 sin 5x. What will be the amplitude after a dilation of 2? I am so confused.....can somebody please help me.... please??? I know the graoh of sin x but what is dilation? can somebody please explain????
*May 18, 2009 by Anonymous*

**Math**

1. Given a scale factor of 2, find the coordinates for the dilation of the line segment with endpoints (1, 2) and (3, 3). (2, 4) and (6, 6) (2, 4) and (6, 6) (2, 4) and (6, 6) (2, 1) and (3, 3) 2. Given a scale factor of one-half , find the coordinates for the dilation ...
*December 6, 2012 by Briana T*

**ALGEBRA**

Please help. The dashed figure is a dilation of the original figure. Fin the scale factor. classify the dilation as an enlargement or a reduction How do you input pictures?
*January 27, 2015 by BUBBLES*

**geometry**

What is scale factor for the dilation of segment AB into segment CD? Draw the dilation of segment AB with scale factor 2/3 and label it segment EF. The figure is 2 || segments with point A(3, -3) with B(6,3). Other segment is C(4,-4) with D(8,4). Cant seem to get it figured ...
*April 17, 2015 by Jeremy*

**geometry**

The endpoints of are A(9, 4) and B(5, 4). The endpoints of its image after a dilation are A'(6, 3) and B'(3, 3). can you please Explain how to find the scale factor.
*December 19, 2011 by Cindy*

**Math**

What is the rule for dilation? Like, for translation, you add/subtract the units being translated from the x and y value. what do you do for dilation??
*February 13, 2009 by Angie*

**math**

Given a dilation with the origin O (0, 0), by observation determine the scale factor "K." DO, K = (5, 0) (10, 0) The dilation an expansion. true or false
*July 21, 2011 by robbie*

**Geometry - Dilation of a square**

The preimage of square ABCD has its center at (8,-8) and has an area of 4 square units. The top side of the square is horizontal. The square is then dilated with the dilation center at (0,0) and a scale factor of 2. What are the coordinates of the vertex of the image of square...
*March 2, 2013 by Knights*

**geometry**

find the image vertices for a dilation with center (0,0) and a scale factor of 4
*March 13, 2012 by kevin*

**geometry**

an optometrist dilates a patients pupil from 6 mm to 8 mm. what is the scale factor for this dilation? is it 2
*September 9, 2013 by loli*

**geometry**

an optometrist dilates a patients pupil from 6 mm to 8 mm. what is the scale factor for this dilation? is it 2 Answer th
*September 10, 2013 by loli*

**Geometry**

find the coordinate of the image of the point (-3, -1) dilation with center at the origin, scale factor 2. a. (1.5, .5) b. (6, 2) c. (-6, -2) d. (-1.5, -.5)
*May 15, 2014 by Kylee*

**Geometry**

Could anyone tell me if this question is correct? 2.) Which is true about both Pappus's Theorem and Desargues' Theorem? Each theorem applies to spherical geometry. Each conclusion states that three points are collinear. <---- Each hypothesis is based on triangles. Each ...
*May 28, 2014 by Jazy *

**Geometry**

Which of the following scale factors would produce an expansion under a dilation of the original image? A. 2/3 B. -1/2 C. 3/2 D. -3/4
*May 2, 2008 by Brooke*

**geometry**

The endpoints of are A(2, 2) and B(3, 8). is dilated by a scale factor of 3.5 with the origin as the center of dilation to give image . What are the slope (m) and length of ?
*May 29, 2014 by Anonymous*

**please help with geometry - dilation**

When a square of area 4 is dilated by a scale factor of k, we obtain a square of area 9. Find the sum of all possible values of k. I do not understand...it is not 3/2, as I was told, but I don't understand why? Help?
*February 21, 2013 by Knights*

**Geometry**

-Which describes the compositions of 3 reflections in three distinct lines, two of which are parallel? 1. rotation 2. dilation 3. translation 4. glide reflection
*April 29, 2010 by Emmeline*

**geometry**

The endpoints of are A(2, 2) and B(3, 8). is dilated by a scale factor of 3.5 with the origin as the center of dilation to give image . What are the slope (m) and length of ? Use the distance formula to help you decide: .
*September 11, 2015 by william*

**math**

Given a dilation with the origin O (0, 0), by observation determine the scale factor "k." DO,K = (6, 12) (3, 6) What is the scale factor K = a0 Is the dilation an expansion or contraction? a1
*June 28, 2012 by jen*

**geometry**

AB has a length of 5 cm the line segment is dilated to produce A'B' which has a length of 2 cm what is the scale factor of the dilation
*April 21, 2013 by Dannelle*

**geometry**

2. the dashed triangle is a dilation image of the solid triangle. what is the scale factor (1 point)
*October 5, 2015 by jenny*

**7th grade math Ms. Sue please!**

Hi! Can you check my answers please? Thanks! And, can you help me with 3 please? I have tried and tried but I cannot solve it can you explain how? Thanks! 1. Given a scale factor of 2, find the coordinates for the dilation of the line segment with endpoints (1, 2) and (3, 3...
*October 31, 2012 by Delilah*

**Geometry**

What results from the composition of reflections in two parallel lines? a. glide reflection b. dilation c. rotation d. translation Would the correct answer be d. translation?
*April 30, 2009 by Anonymous*

**geometry**

the endpoints of AB are A(9,4) and B(5,-4) the endpoints of its image after a dilation are A1(6,3) and B1(3,-3) explain how to find the scale factor. Is there someone that can help me with this problem and explain foe me?
*March 7, 2012 by Brandon*

**Geometry (Checking)**

2.) Which is true about both Pappus's Theorem and Desargues' Theorem? Each theorem applies to spherical geometry. Each conclusion states that three points are collinear. <---- Each hypothesis is based on triangles. Each theorem involves a dilation. 3.) How many degrees are...
*May 28, 2014 by Jazy *

**Geometry**

Which describes the compositions of 3 reflections in three distinct lines, two of which are parallel? a. dilation b. rotation c. glide reflection d. translation Is the correct answer c. glide reflection?
*April 30, 2009 by Anonymous*

**Math Expert Help Me**

I posted this earlier but no one answered. :( 1. Given a scale factor of 2, find the coordinates for the dilation of the line segment with endpoints (-1,2) and (3,-3). a. (2,4) and (6,6) b. (2,4) and (6,6) c. (-2,4) and (6,-6) d. (2,-1) and (-3,3) 2. Given a scale factor of 1/...
*October 24, 2012 by Jman*

**Math Help**

I posted this earlier but no one answered. :( 1. Given a scale factor of 2, find the coordinates for the dilation of the line segment with endpoints (-1,2) and (3,-3). a. (2,4) and (6,6) b. (2,4) and (6,6) c. (-2,4) and (6,-6) d. (2,-1) and (-3,3) 2. Given a scale factor of 1/...
*October 24, 2012 by Jman*

**geometry**

m(0,3) n(6,0) p(0,-3) scale factor=-1/3 how do you do this i have to draw the image of the figure with given vertices under the dilation with the given scale factor centered at the origin
*September 9, 2013 by loli*

**geometry**

m(0,3) n(6,0) p(0,-3) scale factor=-1/3 how do you do this i have to draw the image of the figure with given vertices under the dilation with the given scale factor centered at the origin
*September 10, 2013 by loli*

**Geometry **

Polygon ABCD has vertices A(4, 0), B(2, 4), C(3, 4), and D(8, 0). Polygon A'B'C'D' is the dilation image of ABCD, using the center (0, 0) and a scale factor of 0.5. What are the coordinates of A', B', C', and D'? This question has me confused. Could someone just show me an ...
*May 23, 2011 by Miranda*

**Math help please!!!!!!**

Given a scale factor of 2, find the coordinates for the dilation of the line segment with endpoints(-1,2) and (3,-3) A. (2,4) and (6,6) B. (2,4) and (6,6) C. (-2,4)and (6,-6) D. (2,-1) and (-3,3) Is the answer C ? Thank you
*November 13, 2014 by Callie*

**Math help please!!!!!!**

Given a scale factor of 2, find the coordinates for the dilation of the line segment with endpoints(-1,2) and (3,-3) A. (2,4) and (6,6) B. (2,4) and (6,6) C. (-2,4)and (6,-6) D. (2,-1) and (-3,3) Is the answer C ? Thank you
*November 13, 2014 by Callie*

**Dilations**

1. Given a scale factor of 2, find the coordinates for the dilation of the line segment with endpoints (-1,2) and (3,-3). a. (2,4) and (6,6) b. (2,4) and (6,6) c. (-2,4) and (6,-6) d. (2,-1) and (-3,3) 2. Given a scale factor of 1/2, find the coordinates for the dilation of ...
*October 24, 2012 by Jman *

**ALGERBRA,PLEASE HELP!!!!!!**

Given a scale factor of 2, find the coordinates for the dilation of the line segment with endpoints (1, 2) and (3, 3). (1 point) A) (2, 4) and (6, 6) B) (2, 4) and (6, 6) C)(2, 4) and (6, 6) D)(2, 1) and (3, 3) 2. Given a scale factor of 1 over 2 , find the coordinates ...
*November 6, 2012 by LILLY*

**Math**

Triangle L'M'N' is a dilation of triangle LMN. If the scale factor of the dilation is 1/5, which of the following statements is true? Triangle L'M'N' is a rotation of triangle LMN. Triangle L'M'N' is the same size as triangle LMN. Triangle L'M'N' is a reduction of triangle LMN...
*May 8, 2014 by Anonymous*

**Pre-Algebra Help Ms. Sue Please!!!**

Given a scale factor of 2, find the coordinates for the dilation of the line segment with endpoints (1, 2) and (3, 3). A.(2, 4) and (6, 6) B.(2, 4) and (6, 6) C.(2, 4) and (6, 6) D.(2, 1) and (3, 3)
*November 7, 2012 by Anonymous*

**Math Ms Sue ???**

The image of an eraser in a magnifying glass is three times the erasers actual size and has a width of 14.4 cm. What is the actual width of the eraser in cm? a) 14.4 cm. b) 3 cm. c) 43.2 cm. d) 4.8 cm. is it C? A square has 16-cm sides. What is the perimeter of the image of ...
*May 26, 2015 by Gaby *

**Math **

The image of an eraser in a magnifying glass is three times the erasers actual size and has a width of 14.4 cm. What is the actual width of the eraser in cm? a) 14.4 cm. b) 3 cm. c) 43.2 cm. d) 4.8 cm. is it C? A square has 16-cm sides. What is the perimeter of the image of ...
*May 26, 2015 by Gaby *

**geometry**

1.in which geometry do lines no contain an infinite number of points? (a) plane coordinate geometry (b) discrete geometry (c) graph theory 2. in which geometry do points have thickness? (a) plane coordinate geometry (b) discrete geometry (c) graph theory i think the answer is...
*August 30, 2011 by SoccerStar*

**I need an answer--molecular/electron geometry**

Can anyone help me out with the differences between electron geometry and molecular geometry for SCl6? I think the molecular geometry is octahedral, but I'm not so sure for the electron geometry. Thanks :) *My earlier post wasn't answered, so I'd appreciate some help please =]
*February 8, 2011 by Kate*

**Molecular and Electron geometry**

Can anyone help me out with the differences between electron geometry and molecular geometry for SCl6? I think the molecular geometry is octahedral, but I'm not so sure for the electron geometry. Thanks :) *My earlier post wasn't answered, so I'd appreciate some help please =]
*February 8, 2011 by Kate*

**Hard Geometry Problem**

Hi guys. I need a lot of help on this. "Equilateral triangle ABC has centroid G. Triangle A'B'C' is the image of triangle ABC upon a dilation with center G and scale factor -2/3. Let K be the area of the region that is within both triangles. Find K/[ABC]." How do you get a ...
*August 1, 2014 by Sheenybeany*

**Math PLEASE HELP!!!**

A figure is dilated by a scale factor of 4. If the origin is the center of dilation, what are the coordinated in the original figure of a vertex located at (8,8) in the enlarged figure? A/(2,2) B/(4,4) No one has answered
*January 9, 2013 by Sammy*

**7th grade math last question!**

#11 The coordinate of rectangle ABCD are given. Find the coordinates of its image after a dilation with the scale factor of 2. A (2,4) B (-3, -1) C (0,9) D (6,-4) I DESPERATELY NEED HELP WITH THIS QUESTION IT ISN'T MULTIPLE CHOICE SOMEONE HELP PLEASE!!!!
*November 5, 2012 by Delilah*

**math**

Prisilla performs a series of transformations on a figure in the plane. First she dilates it by a factor of 3 and translates it 5 units to the right. Next she reflects it over the x axis, then over the y axis. Finally she reflects it over the line y=x, translate it 5 units to ...
*February 9, 2008 by bob*

**Math**

1. Given a scale factor of 2, find the coordinates for the dilation of the line segment with endpoints (1, 2) and (3, 3). (1 point) (2, 4) and (6, 6) (2, 4) and (6, 6) (2, 4) and (6, 6) (2, 1) and (3, 3) 2. Given a scale factor of 1 over 2 , find the coordinates for the...
*November 5, 2012 by Anynamouse *

**Math**

How to find scale factor of dilation: A-(-1,2) B-(2,5)
*January 25, 2013 by Nina*

**math**

Prisilla performs a series of transformations on a figure in the plane. First she dilates it by a factor of 3 and translates it 5 units to the right. Next she reflects it over the x axis, then over the y axis. Finally she reflects it over the line y=x, translate it 5 units to ...
*February 9, 2008 by bob*

**geometry**

in the original drawing, the rectangular pieces of paper from which the hands emerge measures 27.6 cm by 19.9 cm. on a poster of the drawing the paper is 82.8 cm long. what is the scale factor of the dilation used to make the poster? is it scale factor:3 what is the area of ...
*September 9, 2013 by loli*

**geometry**

in the original drawing, the rectangular pieces of paper from which the hands emerge measures 27.6 cm by 19.9 cm. on a poster of the drawing the paper is 82.8 cm long. what is the scale factor of the dilation used to make the poster? is it scale factor:3 what is the area of ...
*September 10, 2013 by loli*

**help**

Can you please give me study links? For angle sum theory, reflection, rotation,translation,Dilation,Complementary,Supplementary,parrell lines with transversal, vertical, cooresponding,alt,int,alt,ext? Do you have any tricks to remember how to do these? NEED TO PASS THIS TEST. ...
*February 9, 2012 by kayla*

**Please help on geometry - analytic geometry**

What is the area, in square units, of a triangle whose vertices are at (4,-1), (10,3) and (4,5) ? How to do this?
*February 22, 2013 by Knights*

**math**

a monitor displays the graph y = sin 5x. what will be the amplitude after a dilation of 2?
*March 2, 2011 by sarah*

**linear algebra**

In a dilation with a scale factor of 3/4 , the image is __________ the preimage
*April 13, 2014 by david mendez*

**Math**

A dilation has center (0, 0 ,0). Find the image of the point (-1, -2, 0) for the scale factor of 3.
*November 19, 2015 by Bela *

**Geometry**

Help with Geometry please! Do you have any specific questions?
*October 16, 2006 by Margie*

**Algebra 8th grade.**

The coordinates of quadrilateral VWXY are given below. Find the coordinates of its image after a dilation with the given scale factor. V(6, 2), W(2, 4), X(3, 2), Y(3, 5), scale factor of 2 Please help!!!!
*November 28, 2012 by April :)*

**algebra**

can you please explain how you may have gotten the answer thanks:) The coordinates of quadrilateral VWXY are given below. Find the coordinates of its image after a dilation with the given scale factor. V(6, 2), W(2, 4), X(3, 2), Y(3, 5), scale factor of 2
*November 12, 2012 by Lilly*

**MATH**

How does the equation of a log and Ln function effect the graph. (Ex. Dilation, reflection, ect.)
*November 8, 2010 by Kaitlyn*

**math**

which transformation is the image not congruent line reflection translation rotation dilation
*February 13, 2011 by pavleen*

**Math**

Given a scale factor of , find the coordinates for the dilation of the triangle with vertices at (0, 0), (0, 2) and (4, 0).
*November 9, 2012 by HOLAMOM*

**Algebra**

Find the coordinates of the quadrilateral abcd after a dilation with a scale factor of 2. a(2,0), B(2,2), C(5,2), D(5,0)
*November 12, 2013 by Steve*

**Math**

A dilation has center (0, 0 ,0). Find the image of the point (-1, -2, 0) for the scale factor of 3. I'm not sure how to do this.
*November 19, 2015 by Belle*

**Math Algebra**

The coordinates of quadrilateral VXY Are given below. Find the coordinates of its image after a dilation with the given scale factor V(6, 2), W(-2, 4), X(-3, -2), Y(3, -5) scale factor of 2 This question is confusing me and is worth 3 points please help :)
*October 18, 2014 by Jeff*

**geometry**

Question 1.1. For each of the following questions, choose the correct answer. What is another word for rotation? (Points : 1) flip turn slide fall Question 2.2. What's another word for a translation? (Points : 1) flip turn slide fall Question 3.3. Maria slides a triangle two ...
*September 13, 2014 by Ash*

**math**

Triangle APQ is the image of ABC under a dilation centered at vertex A with scale factor ½. Triangle RBT is the image of ABC under a dilation centered at vertex B with scale factor Ύ . Which statement about ABC , APQ , and RBT is correct? none of the triangle are similar All ...
*November 27, 2015 by kudu*

**Math**

Given a scale factor of 2, find the coordinates for the dilation of the line segment with endpoints (1, 2) and (3, 3)
*November 9, 2012 by HOLAMOM*

**Math**

Which type of dilation is determined by a scale factor of 10? enlargement reduction congruence transformation none of these
*January 15, 2008 by Andrea*

**math **

Given a scale factor of 2, find the coordinates for the dilation of the line segment with endpoints (1, 2) and (3, 3). (1 point) (2, 4) and (6, 6) (2, 4) and (6, 6) (2, 4) and (6, 6) (2, 1) and (3, 3)
*November 7, 2012 by ?*

**math HELP!!!!!!!!!**

1. Given a scale factor of 2, find the coordinates for the dilation of the line segment with endpoints (1, 2) and (3, 3). (1 point)(2, 4) and (6, 6) (2, 4) and (6, 6) (2, 4) and (6, 6) (2, 1) and (3, 3)
*November 7, 2012 by ?*

**Math**

Which of the following transformations will never produce a congruent figure? A. rotation B. reflection C. translation D. dilation <------
*May 22, 2014 by Riley*

**AP Chemistry- PLEASE HELP**

The electron-domain geometry and molecular geometry of iodine trichloride are __________ and __________, respectively.
*January 29, 2013 by Sonya*

**PLEASE HELP**

whats a complimentery line? Thank you for using the Jiskha Homework Help Forum. If you are studying Geometry: http://astronomyonline.org/Science/Geometry.asp
*August 15, 2007 by Sarahbeth*

**geometry please please please help**

What is the value of x in the regular polygon below? hexagon with an interior angle value of 3x please please help and thanks in advance. :)
*December 12, 2012 by BaileyBubble*

**7th grade math Ms. Sue please help I have no idea!**

#10 On a blueprint, 1 inch = 13 feet. If the dimensions of the playroom on the blueprint are 0.35 inches x 1.25 inches, what are its actual measurements? * *Show all your work for full credit* #11 The coordinate of rectangle ABCD are given. Find the coordinates of its image ...
*November 5, 2012 by Delilah*

**Medical Coding**

Operative Report Pre-Operative Diagnosis: Rheumatic aortic stenosis Procedure Performed: Valvuloplasty, aortic valve with transventricular dilation Operative Note: This 38-year-old female patient who has a diagnosis of rheumatic aortic stenosis. She has had this same surgery 5...
*January 4, 2010 by Cuki*

**Translations**

Point Q is the image of point P under a dilation with center O and scale factor 4. If PQ = 18, then what is OP?
*July 31, 2014 by Sheenybeany*

**math**

wat is dilation in math during moving or changing a figure
*February 23, 2007 by jose*

**math**

under which transformation is the area of a triangle not equal to the area of its image? i think the answer is dilation
*February 13, 2011 by pavleen*

**astronomy**

Suppose that the gravitational time dilation on the surface of a star is 1.1. What would be the escape velocity from the star?
*March 11, 2012 by Andrea*

**math**

If the width of the image is 5 inches and the width of the preimage was x. What is the scale factor and center of dilation at the origin
*January 13, 2015 by rai*

**math**

In the diagram, the circle will be dilated by a scale factor of 3 about the origin. The points C, A, and B map to C', A', and B' after the dilation. What is the length of ? Use the distance formula to help you decide.
*July 24, 2014 by Abby*

**Science**

What is time dilation refers: to increasing time factors as one's speed increases I can not find any information on this
*March 28, 2010 by Anonymous*

**Molecular and Electron geometry**

Can anyone help me out with the differences between electron geometry and molecular geometry for SCl6? I think the molecular geometry is octahedral, but I'm not so sure for the electron geometry. Thanks :)
*February 7, 2011 by Kate*

**geometry**

Geometry riddl How did they like the story about towel manufacturing? Also, where can I find geometry worksheets on plane and simple? ? ? ?
*September 26, 2006 by Debra*

**Geometry**

Need help please: (3,0) (7,6) (x-7)2 + (y-6)2 = 7(2) (x-7)2 + (y-6)2 = 49 Having difficulty with this problem.Can someone help? geometry - Reiny, Saturday, March 31, 2012 at 8:07am You don't say what the actual problem is. I see the resemblance to finding the equation of a ...
*March 31, 2012 by Kel*

**Geometry**

Need help please: (3,0) (7,6) (x-7)2 + (y-6)2 = 7(2) (x-7)2 + (y-6)2 = 49 Having difficulty with this problem.Can someone help? geometry - Reiny, Saturday, March 31, 2012 at 8:07am You don't say what the actual problem is. I see the resemblance to finding the equation of a ...
*March 31, 2012 by Kel*

**AP Chem please help!**

The electron-domain geometry and molecular geometry of iodine trichloride are __________ and __________, respectively. The answer is trigonal bipyramidal, T-shaped, respectively- I do not understand the approach
*January 29, 2013 by Sonya*

**geometry **

In a triangle ABC, angle B is 3 times angle A and angle C is 8 degrees less than 6 times angle A. The the size of the angles. Size of angle A is = Size of angle B is = Size of angle C is = can someone please help me with this..? I am very weak at geometry...and math in general...
*September 26, 2009 by Anonymous*

**Trigonometry/Geometry - Inequalities**

Let a, b, and c be positive real numbers. Prove that sqrt(a^2 - ab + b^2) + sqrt(a^2 - ac + c^2) is greater or equal to sqrt(b^2 + bc + c^2). Under what conditions does equality occur? That is, for what values of a, b, and c are the two sides equal? This looks like a geometry...
*December 7, 2013 by Sam*

**Math**

If triangle R'S'T' is a dilation of triangle RST, what would be the rest of the coordinates for triangle R'S'T? R (-2,-3) S (0,2) T (2,-3) R'(-6,-9) S'( , ) T' ( , )
*February 13, 2009 by Angie*

**Math I REALLY NEED HELP!!!!!!!!!**

A figure is dilated by a scale factor of 4. If the origin is the center of dilation, what are the coordinated in the original figure of a vertex located at (8,8) in the enlarged figure? A/(2,2) B/(4,4)
*January 9, 2013 by Sammy*

**math**

what is the difference between translation , rotation, relections, and dilation in 8 grade work In 8th grade talk, I recommend you check the examples in your book. OR, if you put your definitions here, I can critique them.
*January 28, 2007 by jose*

**6th Grade Geometry**

Hello, I'm having trouble doing this math geometry someone help me please? Thanks: Calculate the area of the trapezoid which is not drawn to scale. It is not a regular trapezoid! It looks like a rectangle and when you get to the top cut the rectangle and make the part you cut ...
*March 11, 2015 by MusicLover14*

**Math**

The equation of the line a is y = -2x + 5. Find the equation of the image of line a after a dilation centered at the origin with scale factor 2. -4x + 10?
*April 4, 2015 by Anonymous*

**math**

The length of a piece of paper is 8.5 inches. Using scissors, you reduce the length of the paper to 4.25. What is the scale factor of the dilation? A- 1/4 B- 1/2 C- 2 D- 4 I think its A ?
*December 11, 2014 by jasmine*