Use the table to write an equation and answer the question.
- The table shows the heights in inches o f trees
a fte r t h e y h a v e b e e n p la n t e d. W h a t is th e
h e ig h t o f a tr e e t h a t is 6 4 i n. t a l l i n it s p o t?
Tree Height
Height Without Pot,
30 18
36 24
42 30
48 36 - The table shows am ounts earned for pet
s it t in g. H o w m u c h is e a r n e d f o r a 9 - d a y jo b?
Pet Sitting
1 17
2 34
3 51
4 68
Refer to the drawing of houses for Exercises 25 and 26.
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□□□□□r-i□□□□□□□
Q Apply
- Patterns M a k e a t a b le a n d d r a w a g r a p h to s h o w t h e r e la t io n s h ip b e tw e e n th e
num ber of houses and the num ber of windows.
a. W h a t is th e n u m b e r o f w in d o w s i n 9 h o u s e s?
b. If n h o u s e s h a v e k w in d o w s , w r it e a n e x p r e s s io n t o r e p r e s e n t t h e n u m b e r o f
windows for n + 1 houses. - B o b b y says t h a t a s u b d iv is io n s i m il a r t o th e o n e a b o v e h a s a t o t a l o f 2 0 2 w in d o w s.
Is 202 a re a s o n a b le n u m b e r o f w in d o w s? E x p la in.
Tell whether the given ordered pair is a solution of the equation.
- y = 2x + 7; (-2 , 3) 28. -\x + 6 = y; (2, 4)
- Think About a Plan T h e ta b le s h o w s h o w lo n g i t ta k e s K a y la to
le a r n n e w s o n g s. H o w m a n y h o u r s d o e s K a y la n e e d t o p r a c t ic e
to le a rn 9 songs?- F r o m r o w t o r o w , h o w m u c h d o e s t h e n u m b e r o f h o u r s h
in c re a s e? H o w m u c h d o e s th e n u m b e r o f s o n g s s in c re a s e? - B y h o w m a n y ro w s w o u ld y o u n e e d t o e x te n d th e t a b le to
solve the problem?
- F r o m r o w t o r o w , h o w m u c h d o e s t h e n u m b e r o f h o u r s h
to travel 5390 m i?
- y = — 1.2jc — 2. 6 ; ( 3. 5 , 6. 8 )
Kayla's Piano Practice
1.5 1
3.0 2
4.5^3
6.0^4
r i
Passen g er Jet Tr av el
Hours, h 1234
Miles, m 490 980 1470 1960
f PowerAlgebra.com ^ | L e s s o n 1 - 9 Pat t er n s, Eq u at i o n s, an d Gr ap h s^65
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