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.

4. 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

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