Name Date Hr. ALGEBRA 1-2 SPRING FINAL MULTIPLE CHOICE REVIEW #1

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1 Name Date Hr. ALGEBRA - SPRING FINAL MULTIPLE CHOICE REVIEW #. The high temperatures for Phoeix i October of 009 are listed below. Which measure of ceter will provide the most accurate estimatio of the October temperature? Mea b. Media Stadard Deviatio Rage. Idetif the outlier i the data set {,,,,,,, 8}, ad determie how the outlier affects the mea ad media of the dat The outlier is. The outlier icreases the mea b.6. The outlier has o effect o the media. b. The outlier is. The outlier icreases the mea b.6 ad the media b. The outlier is. The outlier icreases the mea b..the outlier has o effect o the media. The outlier is. The outlier icreases the media b.6. The outlier has o effect o the mea.. Look at the box-ad-whisker plot of these data below. Which coclusio is NOT correct? % of the data is less tha 8. b. The maximum value is 87. The data is skewed to the left. % of the data is betwee 70 ad 7.. Seug used box-ad-whisker plots to show the poits he scored i his basketball games this seaso. He used differet plots for the home ad awa game data, ad produced the graph below Ufortuatel, Seug caot remember which plot represets the home game data ad which represets the awa game dat Which fact ca he use to determie which set of data was used to create each boxad-whisker plot? Seug scored at least poits i ever home game. b. The mode of the set of awa game scores was. Seug scored poits i a awa game last week. Seug plaed more home games tha awa games.

2 . Suppose a probabilit distributio is represeted b a histogram. Furthermore, suppose ou ca draw a vertical lie through the histogram that divides the histogram ito two parts that are mirror images. Which word is used to describe this distributio? biomial b. radom skewed smmetric/ormal 6. Two groups uderwet a simple fitess test ad their heart rates were measured after oe miute of exercise. The results are show i the back-to-back stem-ad-leaf plot. Which coclusio is valid based o the data? The rage of group is higher tha group. b. Group has a higher media tha group. Group has the lowest heart rate recorde The media for both groups is the same. 7. Give the sequece, 0, 0, 0, Fid the 7 th term of the sequece. 0 b Give the sequece, 7,, 9, Fid the th term of the sequece. b Select the correct recursive sequece formula for the perimeter of the figures below. a 6a ad a 6 b. a 6 ad a 6 a a a a ad a 6 a ad a You ca bu shirt for $, shirts for $7, shirts for $0, ad shirts for $. Which fuctio S could be used to model the total cost of buig shirts? S b. S S S

3 6. Cosider the sequece give b the recursive formula: a a where a. Which explicit formula below represets the same sequece? a 8 b. a a a 6. Jessica eeds at least $0,000 for a dow pamet o a house. She ivests $7,000 i a bak that pas % iterest compouded auall. How ma ears will it take her to meet her goal? ears b. ears 9 ears 0 ears 6. What is 9 i expoetial form? b Write i radical form. b. 60. Noe of the above 6. Which of the followig fuctios is a example of a expoetial growth fuctio? f ( x) 0.9x b. f( x) 00(7) x 7 f( x).(0.9) x f ( x) x Which of the followig CANNOT be represeted with a expoetial fuctio? The umber of gallos of milk people drik i oe ear has decreased b.% per r b. A perso s auall salar icreases b % each ear. The price of a $00 biccle icreases 8% per ear. A foot tall saguaro cactus growig iches per ear.

4 67. Choose the correct graph of the followig sceario: Your sciece class is collectig cas ad ou start with 0 cas. The collectio triples ever week. b I 99, five wolves were reistated ito Yellowstoe Natioal Park. Each ear the pack tripled i size. Which fuctio best depicts the situatio, if x = 0 represets the ear 99. f( x) () x b. f( x) () x f( x).(0.9) Noe of the above 69. Which table satisfies a expoetial fuctio? b. x x 9 x x Simplif the followig: 7 m m 7m b. 7m 7m 7m 7. Fid the product of x ad x b. x x x 6x x x x 6x 8

5 7. Which polomial is equivalet to x? b. x 8x 6 x 6 x 6 x 8x 6 7. Factor completel: 8x x 8x x b. 6x x 8x 8x 7. Factor the polomial: x x 7 x7x b. xx 7 xx 7 x7x 7. Factor the polomial: x 0x 8 Which of the followig biomials is ONE of the factors? x b. (x ) (x ) (x ) 76. Fid the solutio set to the followig quadratic equatio: x 0x6 0 {, 8} b. {, } {, 8} {, } 77. Solve for x: x 7 b., 7

6 78. Solve for x usig the quadratic formula: x x b No Real Root 79. What are the roots of the fuctio whose graph is show: ad b. ad ad ad 80. Determie which graph below is the correct graph for the equatio: x x b. 8. The equatio h( t) t 0t models the height h, i iches, of a rock after t secods. Explai the meaig of (, 0) i the cotext of the problem. The rock reaches a maximum height at secods. b. The rock is iches off the groud at 0 secods. The rock is 0 iches off the groud at secods. The rock reaches a maximum height of 0 iches. 8. Fid the vertex ad the equatio of the axis of smmetr of this parabola: x x 8 (, ), x = b. (, ), x = (, ), x = (, ), x = 6

7 8. A diver is stadig o a platform ft above the pool. He jumps from the platform with a iitial upward velocit of 8 ft/s. Use the formula h( t) 6t vt s, where h is his height above the water, t is the time, v is his startig upward velocit, ad s is his startig height. How log will it take for him to hit the water?. secods b.. secods. secods. secods 8. Which kid of model best describes the give data set?,0., 0,,,,(,),,8 Cubic b. Liear Expoetial Quadratic 8. How would ou traslate the graph of x to produce the graph of x? Traslate the graph of b. Traslate the graph of Traslate the graph of Traslate the graph of x dow uits x up uits x left uits x right uits 86. Solve the sstem: x x 8x 8,0,,6 b.,0,,0,0,,0,6,,0 87. Which is the graph of f x x? b. 7

8 88. Which of the followig fuctios will icrease the MOST as x gets larger ad larger? x a x b. b x x c x 7x d x h x 89. Graph x if x x if x b. x x x x 90. Graph the fuctio defied b x. b. 8