Unit 2 Integers Number Lines and the Coordinate

Unit 2 Integers, Number Lines and the Coordinate Plane

What number is the opposite of − 42? A. B. C. D. -42 0 42 -24

Which answer represents an elevation of 82 feet below sea level? A. -82 B. 82 C. 0 D. -82

Mr. Huber walks into the lobby at Campbell County Middle School. He goes upstairs one level to get his mail. Describe the integer that represents this situation and what zero represents in this situation. A. The integer that represents the situation is +1, and zero represents the cafeteria. B. The integer that represents the situation is – 1, and zero represents Mr. Huber’s starting point in the lobby. C. The integer that represents the situation is + 1, and zero represents Mr. Huber’s starting point in the lobby. D. The integer that represents the situation is 2, and zero represents the floor of the library.

The numbers 10 and − 10 are plotted on a number line. All of the statements are true except: A. 10 and − 10 are that same distance from zero on the number line. B. 10 and − 10 are 20 units apart on the number line. C. 10 and − 10 are both to the left of zero on the number line. D. 10 and − 10 are opposites.

Locate the integer that is the opposite of -6. A A. Point A B. Point B C. Point C D. Point D B C D

A A. B. C. D. Point A Point B Point C Point D B C D

What is the integer that represents the opposite of 54? A. -54 B. 54 C. 0 D. None of the above

If Leslie says her puppy weighs – (− 6. 8) pounds, which of the following is the puppy’s weight? A. -6. 8 B. 6. 8 C. 8. 6 D. -8. 6

What are the coordinates of Point A? A. (-2, 3) B. (3, -2) C. (-2, -3) D. (-3, 2) A

Jared wants to show the statement, “− 14 is located to the left of − 12 on a horizontal number line” using an inequality. Which of the following inequalities best shows Jared’s statement? A. B. C. D. − 14 < − 12 − 14 > − 12 − 14 ≤ − 12 − 14 ≥ − 12

The balance in Erin’s bank account is −$48. 23. The balance in Tom’s bank account is −$51. 96. Which inequality shows the relationship between the balance in Erins’s bank account and the balance in Tom’s bank account? A. B. C. D. −$48. 23 < −$51. 96 −$48. 23 > −$51. 96 $48. 23 > $51. 96 $48. 23 < $51. 96

Given the inequality -11 < 3, which statement describes how the position of these two numbers will compare on a number line? A. -11 is to the left of 3 on a horizontal number line. B. -11 is to the right of 3 on a horizontal number line. C. -11 is above 3 on a vertical number line. D. -11 and 3 are the same distance to zero on a number line.

Which of the following is NOT equal to 14? A. B. C. D. | − 14| | − (− 14)|

Which statement is true about absolute value? A. Absolute Value is an integer’s distance to zero. B. The Absolute Value of a number is always positive. C. A number and its opposite have the same Absolute Value. D. All of the above.

Nathan and Nicole both enter elevators on the same floor. Nathan goes up 11 floors and Nicole goes down 12 floors. Who is closer to the floor they both started on? A. Nathan B. Nicole C. They are the same distance to the beginning floor. D. They are on the same floor.

Ron has a debt of (owes) -$45 and Becca has a debt of -$70. What do their absolute values tell you about their debts? A. They have the same amount of debt. B. Ron has more debt. C. Becca has more debt. D. Neither of them are in debt.

Which situation could represent │-25│? A. B. C. D. 25 meters below sea level Sue has $25. A kite flying 25 feet in the sky. A gain of 25 yards in a football game

Joey graphed a rectangle in the coordinate plane. Two vertices of the rectangle are located at ( − 6, 7 ) and ( − 6, − 3 ). The length of the rectangle is 20 units. Which answer is another vertex (corner) of the rectangle that Joey graphed? A. B. C. D. ( − 6, 3) ( − 7, 3 ) ( − 14 , -7) ( 14, 7)

If Devin walked from his house located at point ( 8, 6 ) to the library located at point ( − 4, 6), how many units did he walk? A. B. C. D. 2 units 10 units 4 units

Order the following numbers from least to greatest. -4, 9, -8, 2, -7 A. 9, 2, -4, -7, -8 B. -4, -7, -8, 2, 9 C. 2, 9, -8, -7, -9 D. -8, -7, -4, 2, 9