i^iijE · Name. Date. .Cla Practice A Kyi Using Intercepts Find the x- and y-intercepts. Name TEKS...

2
Name TEKS A.6.A | LESSON | r Km R, Find the rise and i slope of the line. y 1. .4.. -•-*«? ~*.j ° ^-p?~- i^iijE Date Class ractice B ate of Change and SJ •un between each set of poii 2. ;:::;ri f'j •"•' i :••* 4- - i •--; :-i rise = f run = rise = y^ ] ope its. Then, write the y y ^ : - '•- . _/ 1 ... \ -•1 X 1 ° ; 2 ^ 4 N(1.3) ! JX \ i Xi •-V-- i ••-•;- \ '' ; "T"VI ;. r run = rise = ^ run = ' slope = " ^" slope = ^ '' •" „£- slope = £•/ X 4 r . .,._,._, ,.. .,. : ; j- 4 T----- : •^irc-z."^ .^rj-ii— - {2 ~, ' -' : -j i 1 ) * • rise = ! ru -J slope = -Q f Tell whether the si 7. <c > j | ' ' ~< i ; o LJ .. n = 1 rise = O y - T -, j-r-j 6. rj •-|;rj ri i i i - i \ \ i: \ i ! i < I •_<-,;» 2 < ; ' "[2^!-3)i " ; : i run = . rise = O 5 run = ^ O ^ C- , r slope = -£, C- £/ slope = -^) - UnJe* ^ ope of each line is positive, y 8. , Un&t negative, zero, or undefined. 9. " Y t . v /) /)"-, f • J r I • / f'&5/'7ii/'€L. 1 0. The table shows the amount of water in a ;™ : ; ; r; T ;;;; - r. j ~ r :i ~ r ; pitcher at different times. Graph the data and show the rates of change. Between which two <-t ~ ;:: 8 * :::::4:::::i::::i::::±::::;:::4::::i::::::j:::::t:::j hours is the rate of change the greatest? J- J f | : ^~- :;: { \:^:::^::i:.:i:::. Time (h) Amount (oz) "n j i : j : : - - : 0 1 2 3 4 5 6 7 l^ 0 ::::::t:::T::::t::::j:::h:i::t:::t::r;;:; 60 50 25 80 65 65 65 50 < \' w : :! :ft. :j :: t :i :. |: ::; :r:r:i l-t6 ; ; i ! i | ;.- ; \~ \ -1 ° 1 2 3 4 5 6 7 8 9 10 Time (h) Copyright © by Holt, Rineharf and Winston. Al! rights reserved. 33 Holt Algebra 1

Transcript of i^iijE · Name. Date. .Cla Practice A Kyi Using Intercepts Find the x- and y-intercepts. Name TEKS...

NameTEKS A.6.A

| LESSON | r

Km R,Find the rise and islope of the line.

y

1. .4.. -•-*«?~*.j ° ^-p?~-

i iijE

Date Class

ractice Bate of Change and SJ

•un between each set of poii

2. ;:::;ri

f ' j • " • ' i :••*

4- - i •--; :-i

rise = f run = rise = y^

]ope

its. Then, write they y

^ :- '•- „ . _/ 1 • ...\ • -• 1 X 1 ° ; 2 ^ 4

N(1.3) ! JX\ i Xi

• -V - - i • • - • ; -\ • '' ;

"T "VI ;. r

run = rise = ^ run = '

slope = " " slope = '' •" „£- slope = £•/X

4 r. .,._,._, ,.. .,.: ; j- 4 — T - - - - - :

• irc-z."^. rj-ii— -{2~,

' -' : -j i1) * •

rise = ! ru

-Jslope = -Qf

Tell whether the si

7.

<c

>

j | ' • ' ~< i -» ; o

LJ ..n = 1 rise = O

y

-T-, j-r-j 6. rj •-|;rj ri

i i i - i \ • \ i: \i ! i < I • _ < - , ; » 2 < ; '

"[2^!-3)i " ; : i

run = . rise = O5 run = O ^ C- , r

slope = • -£, C- £/ slope = - ) - UnJe*

ope of each line is positive,y

8.

,

Un&t

negative, zero, or undefined.

9.

" Y t . v

/) /)"-, f • J rI • / f'&5/'7ii/'€L.

1 0. The table shows the amount of water in a ;™: ; ; r; T ;;;; - r. j ~ r :i ~ r ;pitcher at different times. Graph the data andshow the rates of change. Between which two <-t ~ ;::8* :::::4:::::i::::i::::±::::;:::4::::i::::::j:::::t:::jhours is the rate of change the greatest? J- J f |:^~-:;:{ \:^:::^::i:.:i:::.

Time (h)Amount (oz)

"n j i • : j : : • - - :

0 1 2 3 4 5 6 7 l 0::::::t:::T::::t::::j:::h:i::t:::t::r;;:;

60 50 25 80 65 65 65 50 < \'w : :! :ft. :j :: t :i :. |: ::; :r:r:il-t6 ; ; i ! i | ;.- ; \~ \

-1 ° 1 2 3 4 5 6 7 8 9 10Time (h)

Copyright © by Holt, Rineharf and Winston.Al! rights reserved.

33 Holt Algebra 1

Name. Date. .Cla

Practice AKyi Using Intercepts

Find the x- and y-intercepts.

NameTEKS A.6.E

LESSON

Date. . Class __

Practice Baz-B Using Intercepts

J* Find the x- and y-lntercepts.

1.

.

x-intercept: t // " /

y-interoept: ( 6 / ' -

4. Find the intercepts of 2x + 3y = 6 by following the steps below,

a. ,COt*f Uf ,, jn, th« equation. Solve for x. I !

" (?,c i / i ib. The x-intercept is: _ _

c. 'COV*r ^J X in! the .equation. Solve for y.

d. The y-intercept is:

e. Use the intercepts to graph the line described by the equation.

5. Jennifer started with $50 in her savings account. Each weekshe withdrew $10. The amount of money in her savings account,^after x weeks is represented by the function ftx) = 50 — 10x.

a. Find the intercepts and graph-the function.

! f fS *

54°

b. What does each intercept represent?

a4-

by Holt. Rhieharl antl WtnupH. 11

. :

^nUse Intercepts to graph the line described by each equation.

4. 3x + 2y_= -6 5. x - 4y = 4

i t- 4.1.-I -J - -( -| 0

H 1-l-v!.-.<....

\ H4-

:rn:i:

^1t*,-ri

6. At a fair, hamburgers sell for $3.00 each and hot dogs sell for$1.50 each. The equation 3x + 1.5y = 30 describes the numberof hamburgers and hot dogs a family can buy with $30.

a. Find the intercepts and graph the function.. c M f r r » ' 1 ' • • i^fi-U-r-r ; 4-vffi-, L-l- _, ,. ..-^ (., — JJ.r

b. What does each intercept represent?

IPt do

hl \

\ -JT:!:I.

,-:ttt±-t'.rhi:ta.r

- r f l-\ t ;ml

32

-ttttj-ij^l i v1:": - i-r-s^/H:;.^-;-^.-

HamtxiroBrs

Holt Algebra 1