Scale Copies & Factor
Similarity & Congruence
Slope
Miscellaneous
100
What is a scale copy?
A copy of a figure where every length in the original figure is multiplied by the same numbers
100
When a figure is the same shape but a different size.
What is similarity?
100
In our slope-intercept formula: y=mx+b, what variable does slope and y-intercept represent?
What is m (slope) and b (y-intercept)?
100
How many Olympic rings are there?
What is five?
200
the number we multiply the original figure by to get the scale copy
scale factor
200
When a figure has the exact same shape and size as another figure.
What is congruence?
200
Find the slope of the line through each pair of points:
(2, 4) and (3, 8)
What is a slope of 2?
200
How many teeth does an adult human have?
What is 32 teeth?
300
Is this a scale copy?
Yes this is because all sides are multiplied by a scale factor of 3
300
A family picture was enlarged to hang on the wall. The original picture and the enlargement are __________.
Similar
300
Write the equation in slope-intercept form, using the formula: y= mx + b:
Slope: 7
Y-Intercept: -2
y=7x-2
300
How many legs does a lobster have?
What is 10?
400
A scale drawing of a rectangular park is 7 inches wide by 9 inches long. The actual park is 2,520 yards long. What is the area of the actual park in square yards?
280 sq. yards
400
A cherry pie was cut into 6 equal pieces. The pieces are __________ in shape.
Similar
400
Write the equation in slope intercept form, using the formula: y= mx + b.
Slope: -1
Point: (2,1)
y= -x+3
400
Which is the largest internal organ in the human body?
What is the liver?
500
What is the scale factor of these two scale copies? The smaller figure is the scale copy of the larger figure.
1.5
500
Triangle DEF is a dilation of triangle ABC with a scale factor of 2. In triangle ABC, the largest angle measures 82 degrees. Which is the largest angle measure in triangle DEF?
82 degrees
500
Write the equation of the line given two points:
(4, 5) and (2, 1).
y= mx + b
y= 2x - 3
500
What is the fastest aquatic animal?
The Sailfish