Math 8 Chapter 1&2 Study Guide - no calculator. - Half or Full Points.

Combine like terms

100

−6k + 7k

1k

200

−4x − 10x

-14x

300

−3x − 9 + 15x

12x − 9

400

−5n + 3(6 + 7n)

16n + 18

500

−9(6m − 3) + 6(1 + 4m)

−30m + 33

Exponent

100

5⁴ x 5⁷⁷

5⁸¹

200

(12x⁶) / (3x²)

4x⁴

300

(7x³y⁶)(4x⁴y⁷)

28x⁷y¹³

400

(21x⁸y⁶) / (14x⁴y³)

3x⁴y³ / 2

500

(9x³y⁶u⁴³)(4x⁴y⁷u³²)

36x⁷y¹³u⁷⁵

Square/Cube roots

100

5³ = 

125

200

24² = 

576

300

3² x 4² = 

12⁴ or 20736

400

9³ / 9

9² or 81

500

7³ - 43 =

300

Random

100

(12x³y⁶u³)(5x⁴y⁷u³)

60x⁷y¹³u⁶

200

-143 + 9x = -2x + 44

x = 17

300

9⁹⁴ x 9⁷⁷

9¹⁷¹

400

(121x¹⁰) / (11x²)

11x⁸

500

8x + 9x

17x

Solve with both sides

100

4x - 31 = 68 - 5x

x = 11

200

-56 + 4x = 64 - 6x

x = 12

300

-29 - 3x = -8x + 16 

x = 9

400

8x - 7 = 9x + 9

x = -16

500

-5x - 46 = 22 - x

x = -17