Quiz 13, 4.1-4.15 Flashcards Preview

8th Math - Pre-Algebra > Quiz 13, 4.1-4.15 > Flashcards

Flashcards in Quiz 13, 4.1-4.15 Deck (10):
1

Simplify 3x + 4x

 

7x

2

3x + 4x

Write the number of terms in a binomial

 

 

2

3

Write the numerical coefficient of 3x2

 

3

4

Write mmnn using exponents

 

m2n2

5

3x = 5 + 7

3x = 12

x = 4

6

x/3 = 7

 

3 * x/3 = 7 * 3

x = 21

7

5x = 120

 

5x/5 = 120/5

x = 24

8

4x - 6 = 2x + 4

 

4x - 2x - 6 = 2x - 2x + 4

2x - 6 + 6 = 4 + 6

2x = 10

x = 5

9

3x2 if x = 6

 

3 ( 62)

3(36)

108

10

3y2 + 2y if y = 3

 

3(32) + 2(3)

3(9) + 6

27 + 6

33