4-1 + 4-2
4-3 + 4-4
4-5 + 4-6
4-6
100
A Ratio
What is a comparsion of two quaties by division. Examples: 1/2, 1 to 2, 1:2
100
Cross Products
What are two products, in two ratios, found by multiplying a denominator of of each ratio by the numerator of the other?
100
Dilation
What is a transformation in which a figure and its image are similar?
100
The ratio of the length of a scale model to corresponding length of the actual object.
What is a Scale?
200
A ratio that compares quanties measured in different units. Examples: Miles to gallons, Feet to secounds
What is a Rate?
200
A proportion.
What is an equation stating that two ratios are equal?
200
The ratio of a length in an image to the corresponding length in the original figure.
What is a Scale Factor?
300
An unit rate.
What is the rate for one unit of a given quanity?
300
Similar Figures.
What are two figures that have the same shape, but no nessarily the same size?
300
A dilation with a scale factor greator than one.
What is an Enlargement?
400
A rate equal to 1. Examples: 1 ft = 12in., 4 quarts = 1 gallon.
What is a Conversion Factor?
400
Angles that have equal measures.
What are Congruent Angles?
400
A Reduction.
What is a dilation with a scale factor less than 1?
500
Better buy.
What is the best buy between two or more prices for a particular item.
500
Two polygons with corresponding angles and lengths of its corresponding sides are to proportion.
What is Similar Polygons?
500
A Scale Model.
What is a model similar to the actual object it represents?
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