Algebra

Algebraic Equations

2

Solve for X: 

X + 8 = 25

x=17

4

Solve for X: 

X-3=10

X=13

6

Solve for X: 

4x=28

X=7

8

Solve for X: 

X=40

10

Solve for X:

2x + 5 = 17

X=6

Exponents

2

When you see the following expression, what is the big number called and what is the little number on top of it called?

2⁴

Big number - base number

little number - exponent or power

https://www.khanacademy.org/math/pre-algebra/pre-algebra-exponents-radicals/pre-algebra-exponents/v/introduction-to-exponents

4

How can you rewrite 9² in expanded form?

9 x 9

6

How can you rewrite the following in exponential form?

7 x 7 x 7 x 7 x 7 

7⁵

8

What is the value of:

3⁴

81

10

What is the value of:

2³ + 3² - 4²

3

https://www.khanacademy.org/math/pre-algebra/pre-algebra-exponents-radicals/pre-algebra-exponents/v/introduction-to-exponents

Order of Operations

2

Simplify the following expression:

62

https://www.khanacademy.org/math/pre-algebra/pre-algebra-arith-prop/pre-algebra-order-of-operations/v/introduction-to-order-of-operations

4

Simplify the following expression:

5

https://www.khanacademy.org/math/pre-algebra/pre-algebra-arith-prop/pre-algebra-order-of-operations/v/introduction-to-order-of-operations

6

3 + 4² * (3 + 2)

83

8

45

10

12

Adding Like Terms

2

Simplify: 

2x + 8x=

10x

4

Simplify: 

4x + 2x -8x

-2x

6

Simplify: 

-3x + 2x +5 -2

-x + 3

8

Simplify: 

-4x +2x -6 +3

-2x-3

10

Simplify: 

-2(x + 4) + 5x

-8 + 3x

substitution

2

For a = 2, b = 3, c= 4, and d= 12

19 - d + a

9

4

For a = 2, b = 3, c= 4, and d= 12

d - c + 6

14

6

For a = 2, b = 3, c= 4, and d= 12

a(d - b)

18

8

For a = 2, b = 3, c= 4, and d= 12

5a - 2c

4

10

For a = 2, b = 3, c= 4, and d= 12

b(d + ac)

60