Algebra 1 Common Core Student Edition, Grade 8-9

Lesson 1-4

Lesson 1-5

Lesson 1-6

Lesson 1-7

Get Read y!

Describing a Pattern

! CHAPTER ^

2

Describe the relationship shown in each table below using words and using

an equation.

1.

1 $7.50

2 $15.00

3 $22.50

(^4) $30.00
mmmsm^sasSESSsssmm'
2.
Km nlNKJI
1 30
2 60
(^390)
(^4120)
Adding and Subtracting Real Numbers
Simplify each expression.

3. 6 + (-3 ) 4. -4 -6 5. -5-(-13)


4. -4 .5 1 + 11.65 8. 8.5 - (-7 .9 ) JL_3 10 4

Multiplying and Dividing Real Numbers

Simplify each expression.

11. -85 = (-5) 12. 7 ^ - ^ j 13. 42 (-6)2

4* Combining Like Terms

Simplify each expression.

15. 14A:2 — (—2fc2) 16. 4xy+9xy 17. 6f+2 — 41

6. —7 + ( — 1 )

10-5+ ("l)

14. 22 h- ( - 8 )


15. 9x - 4 + 3x

Looking Ahead Vocabulary

1 9. I f y o u s a y t h a t t w o s h ir t s a re similar, w h a t d o e s t h a t m e a n a b o u t th e s h ir ts? W h a t

would you expect similar t o m e a n i f y o u a re t a lk in g a b o u t t w o s im ila r tr ia n g le s?

20. A model ship is a type of scale model. W h a t is th e re la tio n s h ip o f a m o d e l s h ip to
    th e a ctu a l s h ip th a t it m odels?

Ch ap t er 2 So lvin g Eq u at io n s^77