Algebra 1 Common Core Student Edition, Grade 8-9

^*0J Lesson Check

Do y o u k n o w H OW?

1. G raph each set o f ord e re d pairs. Use w o rd s to
   describe the pattern shown in the graph.
   a. (0, 0), (1,1), (2, 2), (3, 3), (4, 4)
   b. (0, 8), (1, 6), (2, 4), (3, 2), (4, 0)
   C. (3, 0), (3, 1), (3, 2), (3, 3), (3, 4)


2. U se t h e d ia g r a m b e lo w.
   Copy and complete
   th e ta b le sh o w in g the
   relationship betw een
   th e n u m b e r o f s q u a re s
   a n d t h e p e r im e t e r o f th e
   fig u re th e y fo rm.

0 m [

1

1 square 2 squares 3 squares

• ____- MATHEMATICAL
  Do y o u UN DERSTAND? PRACTICES
  3. Vocabulary T h e a m o u n t o f t o o t h p a s t e i n a t u b e
  d e c re a s e s e a c h t im e y o u b r u s h y o u r t e e th. I d e n t if y
  t h e i n d e p e n d e n t a n d d e p e n d e n t v a r ia b le s i n th is
  relationship.
  4. Reasoning T e ll w h e t h e r e a c h s e t o f o r d e r e d p a ir s in
  E x e rc is e 1 re p r e s e n ts a f u n c t io n. J u s tify y o u r a n s w e rs.
  5. Reasoning D o e s th e g r a p h b e lo w r e p r e s e n t a l in e a r
  fu n ctio n? E xplain.

10 ■

■^62

n ■

Pr act ice an d Pr o b l em - So l v i n g Ex er ci ses

1 ^ 1 P ra c tic e

MATHEMATICAL

PRACTICES

For each diagram, find the relationship between the number of shapes and the

perimeter of the figure they form. Represent this relationship using a table,

words, an equation, and a graph.

6. 1 1 7.

G'cocco1V 1

1 hexagon 2 hexagons

-ft

3 hexagons

1 \ /1

1

1 pentagon 2 pentagons

For each table, determine whether the relationship is a linear function. Then

represent the relationship using words, an equation, and a graph.

8. H B M B M fe 9.

4P See Problem 1.

3 pentagons

^ See Problem 2.

an

05

18

2 11

3 14

an

0 -3 0 43

1 2 1 32

2 7 2 21

312 310

PowerAlgebra.com I L e s s o n 4 - 2 P a t t e r n s a n d L i n e a r F u n c t i o n s^243