Hotmath
Math Homework. Do It Faster, Learn It Better.
 
Question Icon

Hotmath

book image
Title:
Hotmath
Author:
Hotmath
Chapter: Integers Section: Exercises
 

Problem: 1

Find the letter which represents the number –7.

 

Problem: 2

Use a number line to graph the integers. Find the next two integers in the pattern.

9, 6, 3, 0, –3

 

Problem: 3

Plot the integer 4 and its opposite on the same number line.

 

Problem: 4

List the integers that can replace x to make a true statement. Then graph the integers on the number line.

–3 x 2

 

Problem: 5

Determine the sum.

8 + –12

 

Problem: 6

Determine the sum.

–7 + 15

 

Problem: 7

Determine the sum.

–12 + –17

 

Problem: 8

Identify the error in the given figure and correct it.

 

Problem: 9

Find the difference.

16 – 64

 

Problem: 10

Find the difference.

48 – (–16)

 

Problem: 11

Find the difference.

–150 – (–90)

 

Problem: 12

Given below are two temperature readings for the same day. Find an integer that represents the temperature change from 6 A.M. to 12 P.M.

6:00 A.M.: –6 F

12:00 P.M.: 10 F

 

Problem: 13

Find the product.

–9(–3)

 

Problem: 14

Find the product.

13(–6)

 

Problem: 15

Find the quotient.

 

Problem: 16

Find the quotient.

–156 (–13)

 

Problem: 17

Evaluate the expression for x = 8 and x = –8.

 

Problem: 18

Solve the equation for the given variable.

–9 y = 153

 

Problem: 19

Solve the equation for the given variable.

t + 71 = –12

 

Problem: 20

Use a number line to graph the numbers. Compare the numbers using , =, or .

 

Problem: 21

Express as a decimal and round the answer to the nearest hundredth.

 

Problem: 22

Determine the value of b for the given value of a .

b = –7 a + 87, a = 12

 

Problem: 23

Determine the value of b for the given value of a .

b = –13 a + 148, a = 9

 

Problem: 24

Express the given phrase as a numerical expression. Use the distributive property to evaluate the expression.

Five times the sum of 4, –8, and –10

 

Problem: 25

Rewrite the expression in terms of a power and evaluate.

(–5)(–5)(–5)(–5)