1. What did you observe about dilating lines? To check your observations, use words and phrases from this table to complete the following sentences. a line parallel to the pre-image a line intersecting the pre-image the same line one the scale factor If a line is dilated about a point not on that line by a scale factor other than 1, the resulting image is If a line is dilated about a point on the line, the resulting image is If a line is dilated about a point, the ratio of the distance between the center and pre-image and the distance between the center an image is equal to 2. Draw a circle and a point below. Dilate the circle about the point by a scale factor of 3.

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Percentage

A percentage is a number indicated as a fraction of 100. It is a dimensionless number often expressed using the symbol %.

Algebraic Expressions

In mathematics, an algebraic expression consists of constant(s), variable(s), and mathematical operators. It is made up of terms.

Numbers

Numbers are some measures used for counting. They can be compared one with another to know its position in the number line and determine which one is greater or lesser than the other.

Subtraction

Before we begin to understand the subtraction of algebraic expressions, we need to list out a few things that form the basis of algebra.

Addition

Before we begin to understand the addition of algebraic expressions, we need to list out a few things that form the basis of algebra.