Integers and Absolute Value COURSE 3 LESSON 1-3 Graph the points 2, –3, and 1 on a number line. 1-3.

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Integers and Absolute Value COURSE 3 LESSON 1-3 Graph the points 2, –3, and 1 on a number line. 1-3

Integers and Absolute Value COURSE 3 LESSON 1-3 Find each absolute value. a. |3| On the number line, 3 is 3 units from 0. This means |3| = 3. b. |–2| On the number line, –2 is 2 units from 0. This means |–2| =

Integers and Absolute Value COURSE 3 LESSON 1-3 Evaluate each expression for the given value. a. |x| for x = –1 Substitute –1 for x. |x| = | –1| = 1 Simplify. b. |4y| for y = 3 Substitute 3 for y. |4y| = | 4(3)| = |12| Work within grouping symbols first. Multiply. = 12 Simplify. 1-3

Integers and Absolute Value COURSE 3 LESSON 1-3 (continued) c. 5 |z| for z = –2.4 Substitute –2.4 for z. 5 |z| = 5 | –2.4| = 5(2.4) Find the absolute value first. = 12 Simplify. 1-3