Algebra 1 Common Core Student Edition, Grade 8-9

(Marvins-Underground-K-12) #1

Lesso n Ch eck


Do y o u k n o w H OW?



  1. W h a t a re th e v a r ia b le s i n th e
    graph at the right? Use the graph
    to describe h o w th e varia b le s are
    related.

  2. Describe the relationship
    b e tw e e n t im e a n d t e m p e r a t u r e i n th e ta b le b e lo w.


Time (number of
hours after noon) ........^1 1 _____^3 1 ____^5 J;^7
61 62 58 51 J

MAIHEMATICAl
Do yo u UN DERSTAND? PRACTICES
3. M a t c h o n e o f th e la b e le d s e g m e n ts i n t h e g r a p h
below w ith each of the following verbal descriptions:
rising slowly, constant, and falling quickly.


  1. Reasoning D e s c r ib e a r e a l- w o r ld r e la t io n s h ip t h a t
    c o u ld b e r e p r e s e n te d b y th e g r a p h s k e tc h e d a b o v e.


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


. ^ 1 P ra c tic e


MATHEMATICAL
PRACTICES

What are the variables in each graph? Describe how the variables are related at
various points on the graph.
7.

See Problem t.

Match each graph with its related table. Explain your answers.

8.

A.

Time

[ Time
1 P.M. 91°
3 P.M. COCDo
5 P.M. 81°
7 P.M. 64°

Time

msmmm
1 P.M. 61°
3 P.M. COOO
5 P.M. 59°
7 P.M. un 001 0

See Problem 2.

9.
LL # * 1°- t
o • E
Q_
# * • £<D • E(V


  • • I—


Time
C.

1 P.M.

is a a ia
24°
3 P.M. CNCDo
5 P.M. 27°
7 P.M. 21°

L


PowerAlgebra.com [ Lesson 4-1 Using Graphs to Relate Two Quantities^237
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