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Get Ready for College Algebra: Corequisites
Definitions, Properties, and Simplifying Expressions

 

Problem  1

Write each of the following in symbols:

The sum of \(x\) and \(5\) is less than \(2\).
The product of \(3\) and \(x\) is \(21\).
The quotient of \(y\) and \(6\) is \(4\).
Twice the difference of \(b\) and \(7\) is greater than \(5\).
The difference of twice \(b\) and \(7\) is greater than \(5\).

Choose instructor to watch:
Mr. McKeague cc
Mr. McKeague
Betsy cc
Betsy
Gordon cc
Gordon
Cynthia espanol spanish
Cynthia
Problem  2

Simplify: \(\; 5+3(2+4)\)

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Aaron cc
Aaron
Lauren
Lauren
Anthony espanol spanish
Anthony
Problem  3

Simplify: \(40-20 \div 5+8\)

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Katrina cc
Katrina
Brooke cc
Brooke
Logan cc
Logan
Anthony espanol spanish
Anthony
Problem  4

Simplify \((-2-3)(5-9)\)

Choose instructor to watch:
Preston cc
Preston
Stefanie cc
Stefanie
Anthony espanol spanish
Anthony
Problem  5

Simplify \(2-5(7-4)-6\)

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Preston cc
Preston
Stefanie cc
Stefanie
Winston cc
Winston
Julieta espanol spanish
Julieta
Problem  6

Simplify \(2(4-7)^3+(-2-3)^2\)

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Preston cc
Preston
Stefanie cc
Stefanie
Anthony espanol spanish
Anthony
Problem  7

Simplify: \(\dfrac{-8-8}{-5-3}\)

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Mr. McKeague cc
Mr. McKeague
Ana
Ana
Matt cc
Matt
Anthony cc
Anthony
Problem  8

Simplify: \(\dfrac{-5(-4)+2(-3)}{2(-1)-5}\)

Choose instructor to watch:
Mr. McKeague cc
Mr. McKeague
Ana
Ana
Anthony cc
Anthony
Anthony espanol spanish
Anthony
Problem  9

Find the value of the expression \(3x+4y+5\) when \(x\) is \(6\) and \(y\) is \(7\)

Choose instructor to watch:
Ana
Ana
Aaron cc
Aaron
Edwin espanol spanish
Edwin
Problem  10

Locate the numbers \(-4.5\), \(-0.75\), \(\dfrac{1}{2}\), \(\sqrt{2}\), \(\pi\), and \(4.1\) on the real number line.

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Mr. Perez
Mr. Perez
Katrina cc
Katrina
Logan cc
Logan
Edwin espanol spanish
Edwin
Problem  11

Write \(\lvert 5\rvert\) without absolute value symbols.

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Ana
Ana
Aaron cc
Aaron
Edwin espanol spanish
Edwin
Problem  12

Write \(\lvert -2\rvert\) without absolute value symbols

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Ana
Ana
Aaron cc
Aaron
Cynthia espanol spanish
Cynthia
Problem  13

Write \(-\lvert -3\rvert\) without absolute value symbols

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Ana
Ana
Aaron cc
Aaron
Cynthia espanol spanish
Cynthia
Problem  14

Simplify \(5(4x)\) by using the associative property.

Choose instructor to watch:
Betsy cc
Betsy
Logan cc
Logan
Cynthia espanol spanish
Cynthia
Problem  15

Simplify \(\dfrac{1}{4}(4a)\) by using the associative property.

Choose instructor to watch:
Betsy cc
Betsy
Logan cc
Logan
Edwin espanol spanish
Edwin
Problem  16

Apply the distributive property to \(\dfrac{1}{2}(3x+6)\) and then simplify the result.

Choose instructor to watch:
Julieta cc
Julieta
Betsy cc
Betsy
Logan cc
Logan
Julieta cc espanol spanish
Julieta
Problem  17

Simplify: \(\,2(3y+4)+2\)

Choose instructor to watch:
Betsy cc
Betsy
Logan cc
Logan
Edwin espanol spanish
Edwin
Problem  18

Apply the distributive property to \(a\left(1+\dfrac{1}{a}\right)\) and then simplify the result.

Choose instructor to watch:
Betsy cc
Betsy
Logan cc
Logan
Cynthia espanol spanish
Cynthia
Problem  19

Apply the distributive property to \(3\left(\dfrac{1}{3}x+5\right)\) and then simplify the result.

Choose instructor to watch:
Betsy cc
Betsy
Logan cc
Logan
Edwin espanol spanish
Edwin
Problem  20

Apply the distributive property to \(6\left(\dfrac{1}{3}x+\dfrac{1}{2}y\right)\) and then simplify the result.

Choose instructor to watch:
Betsy cc
Betsy
Logan cc
Logan
Cynthia espanol spanish
Cynthia
Problem  21

Use the distributive property to combine similar terms for the expression \(3x+5x\).

Choose instructor to watch:
Betsy cc
Betsy
Logan cc
Logan
Edwin espanol spanish
Edwin
Problem  22

Use the distributive property to combine similar terms for the expression \(3y+y\)

Choose instructor to watch:
Betsy cc
Betsy
Logan cc
Logan
Cynthia espanol spanish
Cynthia
Problem  23

Simplify: \(7x+4+6x+3\)

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Stefanie cc
Stefanie
Katrina cc
Katrina
Logan cc
Logan
Julieta cc espanol spanish
Julieta
Problem  24

Simplify: \(4+3(2y+5)+8y\)

Choose instructor to watch:
Stefanie cc
Stefanie
Katrina cc
Katrina
Cynthia espanol spanish
Cynthia
Edwin espanol spanish
Edwin
Problem  25

Simplify: \(3(2y-1)+y\)

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Stefanie cc
Stefanie
Katrina cc
Katrina
Keith cc
Keith
Anthony espanol spanish
Anthony
Problem  26

Simplify: \(8-3(4x-2)+5x\)

Choose instructor to watch:
Mr. McKeague cc
Mr. McKeague
Stefanie cc
Stefanie
Anthony cc
Anthony
David espanol spanish
David
Problem  27

Simplify: \(5(2a+3)-(6a-4)\)

Choose instructor to watch:
Stefanie cc
Stefanie
Katrina cc
Katrina
Keith cc
Keith
Anthony espanol spanish
Anthony
Problem  28

Let \(A=\{1, 3, 5\}\), \(B=\{0, 2, 4\}\), and \(C=\{1, 2, 3, \ldots\}\). Find \(A\cup B\).

Choose instructor to watch:
Suhas
Suhas
Katrina cc
Katrina
Logan cc
Logan
Edwin espanol spanish
Edwin
Problem  29

Let \(A=\{1, 3, 5\}\), \(B=\{0, 2, 4\}\), and \(C=\{1, 2, 3, \ldots\}\). Find \(A\cap B\).

Choose instructor to watch:
Mr. Perez
Mr. Perez
Katrina cc
Katrina
Logan cc
Logan
Julieta cc espanol spanish
Julieta
Problem  30

Let \(A=\{1, 3, 5\}\), \(B=\{0, 2, 4\}\), and \(C=\{1, 2, 3, \ldots\}\). Find \(A\cap C\).

Choose instructor to watch:
Mr. Perez
Mr. Perez
Katrina cc
Katrina
Logan cc
Logan
Edwin espanol spanish
Edwin
Problem  31

Let \(A=\{1, 3, 5\}\), \(B=\{0, 2, 4\}\), and \(C=\{1, 2, 3, \ldots\}\). Find \(B\cup C\).

Choose instructor to watch:
Mr. Perez
Mr. Perez
Katrina cc
Katrina
Logan cc
Logan
Julieta cc espanol spanish
Julieta
Problem  32

For the set \(\left\{-5, \,-3.5, \,0, \,\frac{3}{4}, \,\sqrt{3}, \,\sqrt{5}, \,9\right\}\), list:

  1. whole numbers

  2. integers

  3. rational numbers

  4. irrational numbers

  5. real numbers

Choose instructor to watch:
Mr. Perez
Mr. Perez
Katrina cc
Katrina
Graham
Graham
Edwin espanol spanish
Edwin