Mr Jeffry's Algebra Review

Algebraic Equations

100

Solve for X: 

X + 8 = 25

x=17

200

Solve for X: 

X-3=10

X=13

300

Solve for X: 

4x=28

X=7

400

Solve for X: 

X=40

500

Solve for X:

2x + 5 = 17

X=6

Exponents

100

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

200

How can you rewrite 9² in expanded form?

9 x 9

300

How can you rewrite the following in exponential form?

7 x 7 x 7 x 7 x 7 

7⁵

400

What is the value of:

3⁴

81

500

What is the value of:

2³ + 3² - 4²

1

Order of Operations

100

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

200

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

300

3 + 4² * (3 + 2)

83

400

45

500

30

About Mr Jeffry

100

What is my full name?

Jeffry Darmawan

200

What is my hobby?

Play basketball

300

What is my favorite drink?

Strawberry milkshake 

400

What is letter E stands for in Mr Jeffry's (LEARN) expectation?

English

500

What city that I come from? 

Purwokerto

Distributive Property

100

8(4+2) = ?

48

200

5(x - 3)

5x - 15

300

7 + 9(2x - 3)

18x - 20

400

-3(-x - 10)

3x + 30

500

x + 10 - 6(x - 3x) + 4

13x + 14

Adding Like Terms

100

Simplify: 

2x + 8x=

10x

200

Simplify: 

4x + 2x -8x

-2x

300

Simplify: 

-3x + 2x +5 -2

-x + 3

400

Simplify: 

-4x +2x -6 +3

-2x-3

500

Simplify: 

-2(x + 4) + 5x

-8 + 3x