Absolute Value The distance from a number to zero (on a number line).

Evaluate |-9|

9

Evaluate |10|

10

Evaluate |-100|

100

Evaluate |90|

90

Evaluate - |-15|

-15

Which of the following correctly completes the sentence? The absolute value of 17 is ________ the absolute value of –17. A. twice B. less than C. equal to D greater than

What is the value of –1 + –1? A. –2 B. 0 C. 1 D. 2

Which letters on the graph below have an absolute value of 7.5? A. P and M B. R and Q C. P and Q D. M and N

Determine the value of x, if x = – A. x = 4 B. x = 0 C. x = 4 or –4 D. x = –4

If T = 0 on the number line, which one of the following statements is false? A. The absolute value of R is greater than that of S. B. The absolute value of V is greater than that of U. C. The absolute value of W is the greatest. D. The absolute value of Q is the greatest.

If New York is -15°, and Chicago is -10°, which city is colder?

1 2 3 4 5 6 7 8 9 10 -1 -2 -3 -4 -5 -6 -7 -8 -9 -10

l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l $0 -$2 -$3 -$4 -$1 $1 $2 $3 $4 $5 -$5

15 ft. 10 ft. 5 ft. 0 Sea Level S h D a -5 ft. e l p o w r e -10 ft. r l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l 0 Sea Level 15 ft. 10 ft. 5 ft. -5 ft. -10 ft. -15 ft. D e p r S h a l o w e r

New York Chicago -15° -10° 15° 10° C 5° o l d e r 0° -5° -10° -15° l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l 0° 15° 10° 5° -5° -10° -15° C o l d e r New York -15° Chicago -10°

|-15| = 15 |-10| = 10 |-15| > |-10| 15 > 10 New So York Chicago -15° Chicago -10°

l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l 0° 15° 10° 5° -5° -10° -15°

l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l $0 -$2 -$3 -$4 -$1 $1 $2 $3 $4 $5 -$5

Which of the following shows the greatest debt? c. $-5.75 d. $-3.25