Scale Factor and Dilations
2 years ago
stearnslhjh
Save
Edit
Host a game
Live GameLive
Homework
Solo Practice
Practice
19 QuestionsShow answers
  • Question 1
    30 seconds
    Q. What is the scale factor in the algebraic representation
    (x,y) to (2x,2y)
    answer choices
    k=2
    k=1/2
    k=2.2
    k=0.5
  • Question 2
    30 seconds
    Q. What variable represents scale factor in the algebraic representation (x,y) to (kx,ky)?
    answer choices
    x
    y
    z
    k
  • Question 3
    300 seconds
    Q. What is the scale factor from the small shape to the big shape?
    answer choices
    1/2
    7/3
    2
    10/3
  • Question 4
    30 seconds
    Q. Sides that are in the same position are called
    answer choices
    Corresponding Sides
    Corresponding Angles
    The Same
    Congruent Sides
  • Question 5
    180 seconds
    Q. If the scale factor is less than one, the new figure will be
    answer choices
    an enlargement
    a reduction
    a scale factor
    bigger
  • Question 6
    180 seconds
    Q. If the scale factor is greater than one, the new figure will be
    answer choices
    a reduction
    an enlargement
    a scale
    not proportional
  • Question 7
    180 seconds
    Q. What is the scale factor from ΔDEF to ΔABC?
    answer choices
    1/2
    7/3
    2
    10/3
  • Question 8
    180 seconds
    Q. What is the scale factor from ΔDEF to ΔABC?
    answer choices
    2
    3/2
    2/3
    1/2
  • Question 9
    120 seconds
    Q. Which is an example of a reduction?
    answer choices
    k = 1/2
    k = 1
    3:2
    250%
  • Question 10
    120 seconds
    Q. Which is an example of an enlargement?
    answer choices
    k = 1/2
    k = 1
    2:3
    2.5
  • Question 11
    300 seconds
    Q. The point (8, 12) was dilated to become point (2, 3). What was the scale factor?
    answer choices
    ½
    ¼
    4
    2
  • Question 12
    300 seconds
    Q. What is the definition of dilations in mathematical terms?
    answer choices
    to make larger or smaller
    to make larger
    none of the above
    to make smaller
  • Question 13
    30 seconds
    Q. How do you write the algebraic notation when the scale factor is 1/2?
    answer choices
    (x, y) goes to (2x, 2y)
    (x, y) goes to (1/2x, 1/2y)
    (x, y) goes to (-2x, -2y)
    (x, y) goes to (2x, 1/2y)
  • Question 14
    30 seconds
    Q. In a dilation what mathematical operation is used with the scale factor?
    answer choices
    addition 
    subtraction 
    multiplication 
    division 
  • Question 15
    60 seconds
    Q. Which of the following is the algebraic representation for a dilation?
    answer choices
    (x, y) → (x, 3y)
    (x, y) → (3x, 3y)
    (x, y) → (x, y - 3)
    (x, y) → (.5x, .4y)
  • Question 16
    30 seconds
    Q. A dilation produces a similar figure
    answer choices
    True
    False
  • Question 17
    30 seconds
    Q. A dilation produces a congruent figure
    answer choices
    True
    False
    D
  • Question 18
    30 seconds
    Q. If the scale factor is greater than 1, the new figure will be
    answer choices
    an enlargement
    a reduction
    a scale factor
    bigger
  • Question 19
    30 seconds
    Q. If the scale factor is less than 1, the new figure will be
    answer choices
    an enlargement
    a reduction
    a scale factor
    bigger
Report Quiz
Join a game