What is the scale factor of the dilation?
Under a dilation, the point (6, 18) is moved to (3, 9). What is the scale factor of the dilation?
a) 0.2
b) 0.5
c) 2.0
d) 3.0
Triangle ABC has vertices at (-1, 3), (2, 1), and (-2, -1). Using triangle ABC as the pre-image and the origin as the center of dilation, which of the following is not a coordinate of a dilation that uses a scale factor of 4?
a) (4, 12)
b) (-4, 12)
c) (8, 4)
d) (-8, -4)
Trapezoid ABCD has vertices at (-3, -3), (-3, 4), (-5, 3), and (-5, -1). Using trapezoid ABCD as the pre-image and the origin as the center of dilation, what are the coordinates of a dilation that uses a scale factor of -2?
a) (-6, -6), (-6, 8), (-10, 6), and (-10, -2)
b) (-3/2, 3/2), (-3/2, 2), (-5/2, 3/2), and (-5/2, -1/2)
c) (3/2, -3/2), (3/2, -2), (5/2, -3/2), and (5/2, 1/2)
d) (6, 6), (6, -8), (10, -6), and (10, 2)
4 Answers
< For my K12 fam >
1 – Under a dilation, the point (6, 18) is moved to (3,9). What is the scale factor of the dilation?
Answer: 0.5
2 – Triangle ABC has vertices at (-1, 3), (2, 1) and (-2, -1). Using triangle ABC as the pre-image and the origin as the center of dilation, which coordinate point is not a coordinate of a dilation that uses a scale factor of 4?
Answer: (4, 12)
3 – T ɾąքҽ zoid ABCD has vertices at (-3, -3), (-3, 4), (-5, 3), and (-5, -1). Using t ɾąքҽ zoid ABCD as the pre-image and the origin as the center of dilation, what are the coordinates of a dilation that uses a scale factor of -2?
Answer: (6, 6), (6, -8), (10, -6) and (10, 2)
4 – What is the scale factor used to create the dilation?
Answer: 2
5 – Study the red pre-image and the associated blue dilation image. What is the scale factor used to create the dilation?
Answer: -3
Related Questions
Question 1 (Yes/No Worth 1 point): Another expression for "it is raining" is "Está nublado." (Yes/No) Question 3 (Fill-i...
Find the circumference of a circle with a radius of 5 inches. Please express your answer in terms of pi.
I need assistance with an Algebra 2 problem. The question states that the variable ( r ) varies directly with ( s ) and...
I hope this message finds you well. I have a few questions regarding Frank Garza’s Jockey School. I want to clarify that...
How tall is 77 inches when converted to feet?
I'm in 12th grade, and I have my physics board exam tomorrow. How can I effectively cover the entire course material in...
In circle O, ST is a diameter. What is the value of x if (2x + 8) equals one of the following options: 22.0, 25.0, 25.4,...
A rescue pilot needs to drop a survival kit while flying at an altitude of 2,000.0 meters with a forward velocity of 100...
Hi everyone, I’m trying to make a decision between enrolling my child in a preschool or a Montessori program. He’s curr...
What is the hybridization of the phosphorus atom in PCl3? Additionally, could you please provide an explanation of the s...