ExamView - Alg 1 S1 Final Study Guide.tst



What is the 5-number summary of the following data set?12, 4, 8, 11, 6, 2, 7, 6, 3, 3A Min = 3, Q1 = 4, Med = 6, Q3 = 8, Max = 11B Min = 2, Q1 = 4, Med = 8, Q3 = 11, Max = 12C Min = 2, Q1 = 3, Med = 6, Q3 = 8, Max = 12D Min = 12, Q1 = 8, Med = 6, Q3 = 6, Max = 3What is the IQR of the following data set?12, 4, 8, 11, 6, 2, 7, 6, 3, 3A10B 5C 6D 6.2To the nearest hundredth, what is the population standard deviation of the following data set?12, 4, 8, 11, 6, 2, 7, 6, 3, 3A62.00B 3.39C 6.20D 3.22What is the row conditional relative frequency of males who prefer Wonder Woman??Preferred SuperheroGenderWonder WomanHulkSpider-ManDeadpoolTotalFemale612183672Male1420104488Total20322880160A14/160 = 0.0875B 14C 14/88 = 0.1591D 14/20 = 0.7Solve the equation -4+2x-2=234x-1.A-8B4C-87D-172Represent the statement: three more than four times a number is twelve.A(3+4)x=12B4x+3=12C4(x+3)=12D3x+4=12Solve the inequality 2|x-1|<4.Ax<3Bx<-1 or x<3Cx>-1 and x<3Dx>-1Solve the system:3x-2y=6y=4x+2AInfinitely many solutionsB(2, 6)CNo solutionD(-2, -6)Which is the most appropriate line of best fit?x12382610131y295864210Ay=-0.6x+10By=-x+13Cy=0.6x-10Dy=x-13Write the recursive formula for the arithmetic sequence 4, 22, 40, 58, …Af(0)=4;f(n-1)=f(n)+18Bf(0)=4;f(n)=f(n-1)+22Cf(0)= -14; f(n)=f(n-1)+18Df(0)=-14;f(n-1)=f(n)+22Write the explicit formula for the sequence 4, 22, 40, 58, …Af(n)=4n+22Bf(n)=4n+18Cf(n)=18n+4Df(n)=18n-14Given the sequence 6, 2, -2, -6, … , what is f(19)?A -86B -76C -66D -56Write the recursive formula of the geometric sequence given by the explicit formula.fn=3(-2)n-1Af(1)=3;f(n)=f(n-1)-2Bf(1)=-2;f(n)=3f(n-1)Cf(1)=-3;f(n)=2f(n-1)Df(1)=3;f(n)=-2f(n-1)What two properties are used in the solution of the following equation?7b+2=-127b=14b=-2A Subtraction Property of Equality and Division Property of EqualityB Addition Property of Equality and Division Property of EqualityC Multiplication Property of Equality and Distributive PropertyD Subtraction Property of Equality and Zero Product PropertyYou want to model the pressure of water on a given area of a submarine. Which units would be appropriate for measuring this quantity?A pounds per inchB grams per cubic centimeterC pounds per square inchD square meters per literYou want to model the value of gold over time. Which units would be appropriate for measuring this quantity?A monthsB dollarsC ouncesD milesMaria buys lunch every work day. She always eats at the same restaurant and spends no more than $ 5.50 for lunch. She has created a budget in which she has allowed herself $1550 for the year to buy lunches during her five-day work week. Assume Maria spends the maximum she allows for each lunch. Write an equation to determine how much of her budget, in dollars, remains unspent at the end of a particular week of the year?AB = 1550 - 27.5nBB = 1550 - 5.5nCB = 5.5n - 1550DB = 27.5n - 1550Which is the graph of ?5h ? 3 ? ?7?ABCDEvaluate gx=x2+19 when x=3.A 25B 28C 24D 51A theater has 19 rows of seats. There are 22 seats in the first row, 26 seats in the second row, 30 seats in the third row, and so on. Which of the following is a recursive formula for the arithmetic sequence that represents this situation?Af(0)=18; f(n)=f(n-1)Bf(0)=18; f(n)=f(n-1)+ 4Cf(n)=18+4nDf(n)=22+4(n-1)A company is tracking the number of complaints received on its website. During the first 4 months, they record the following numbers of complaints: 20, 25, 30, and 35. Which is a possible explicit rule for the number of complaints they will receive in the nth month?Af(n)=20n+5Bf(n)=15+5nCf(n)= 20n-5Df(n)=15- 5nWrite a rule for the nth term of the arithmetic sequence. 9, 4, –1, –6,…Af(n)=5n-17Bf(n)=-5n- 17Cf(n)=14(-5)Df(n)=-5n+14Find the first five terms of the sequence defined over the natural numbers with the explicit formulafn=3n-1A –1, 2, 8, 26, 80B 2, 8, 26, 80, 242C 1, 2, 3, 4, 5D 1, 3, 9, 27, 81 1, 3, 9, 27, 81Which of the following represent linear functions?Table ITable IITable IIIInputOutputInputOutputInputOutput2524113536224548325551041A llB I and IIC I and IIID II and IIIWhich represents a price that increases at a constant rate per ounce for the ordered pairs of the form (ounces, price)?A (8, 0.40), (12, 0.80), (24, 1.60), (32, 3.20)B (8, 0.80), (12, 1.20), (24, 1.60), (32, 2.00)C (8, 0.60), (12, 0.90), (24, 1.80), (32, 2.40)D (8, 0.50), (12, 1.00), (24, 1.50), (32, 2.00)Which table does NOT show the sales price s in dollars changing at a constant rate for a corresponding change in the original price o?AOriginal Price o ($)152030Sales Price s ($)131621BOriginal Price o ($)152025Sales Price s ($)101316COriginal Price o ($)152025Sales Price s ($)121620DOriginal Price o ($)152030Sales Price s ($)141929Drake is considering buying one of the four popular e-readers where the e-reader’s premium services is a monthly charge. The functions A1 t=5t+350, A2 t=10t+250, A3 t=499, and A4 t=15t+179 model the total amount of money A, in dollars, that Drake spends after buying the e-reader and subscribing to t months of the e-reader’s premium services. Which e-reader has the greatest monthly subscription cost?A E-reader 1 with cost A1 (t)B E-reader 2 with cost A2 (t)C E-reader 3 with cost A3 (t)D E-reader 4 with cost A4 (t)Which are the average rates of change (slopes)?Equation AEquation Bx0123y-2024f(x) = -1.5x + 10A A: -2, B: 1.5B A: 2, B: -1.5C A: 1.5, B: 2D A: -1.5, B: -2Which problem could be solved using the inequality 4c≥48?A The product of 4 and a number is equal to 48.B Four students split a restaurant bill that came to less than $48.C Four equal-priced shirts came to at least $48.D Marty earned $48 for 4 hours of work.Joshua is driving to the store. The average distance d , in miles, he travels over t minutes is given by the function d (t) ? 0.5t. What is the value of the function when t ? 15?A 75 milesB 7.5 minutesC 7.5 milesD 15 minutesWhich of the following data sets is best described by a linear model?A (5, 1), (4, 2), (3, 4), (2, 8)B (5, 1), (4, ?1), (3, ?3), (2, ?5)C (5, 12), (4, 6), (3, 3), (2, 1.5)D (5, 1), (4, 0), (3, 1), (2, 4)The function A(d) ? 0.45d ? 180 models the amount A, in dollars, that Terry’s company pays him based on the round-trip distance d, in miles, that Terry travels to a job site. How much does Terry’s pay increase for every mile of travel?A $0.45B $180.00C $180.45D $180.90Rita reads a book at a steady pace. Rita graphs her progress through the book by putting the time in hours t on the horizontal axis and chapters remaining C on the vertical axis. Which equation describes Rita’s graph?AC=-3t+24BC=3t-24CC=-24t+3DC=24t+3Which is a linear function?Ax1111y2468Bx1234y24816Cx-1135y8642Dx-3-3-10y2-24-4Which equation describes the line with slope 5 that contains the point (2, 8)?Ay ? 5x ? 22By ? 5x ? 2Cy ? 5x ? 4Dy ? 5x ? 14The population of a city rises from 100,000 to 226,000 over a ten-year period. Using the points (0, 100,000) and (10, 226,000), find the average rate of change (slope) in people per year.A 0.000079 people per yearB 12,600 people per yearC 0.4375 people per yearD 2.29 people per yearThe linear equation c=6.5n+1500 models cost c, in dollars, to produce n toys at a toy factory. What is the c-intercept, and what does it mean in this context?A The c-intercept is 6.5. The cost increases by $6.50 for each toy produced.B The c-intercept is 6.5. The number of toys produced increases by about 6.5 for each $1 increase in cost.C The c-intercept is 1500. It costs $1500 to run the factory if no toys are produced.D The c-intercept is 1500. The factory can produce 1500 toys at no cost.If a linear equation is written that models the weekly gas cost, in dollars, as a function of the length of a daily commute, in miles, what will the slope represent?A The slope will measure the rate of change of the weekly gas cost per mile of the daily commute.B The slope will measure the rate of change of the length of the daily commute per dollar of the weekly gas cost.C The slope will give the weekly gas cost for a daily commute of 0 miles.D The slope will give the daily commute for a weekly gas cost of $0.Which system can be solved with the elimination method by using addition?A 10x+6y=15x-4y=-1B 4x-6y=5x+4y=12C 10x-6y=5-10x+4y=12D 10x-6y=5x+4y=12Julio wants to solve the system of equations shown using the elimination method. Which is the best way to begin?x-7y=11-3x+9y=6A Multiply each term in x-7y=11 by 3 and add it to the other original equation.B This system of equations has no solution, so Julio should not do anything.C Add the equations.D Multiply each term in x-7y=11 by –3 and add it to the other original equation.Kya wants to solve the system shown using the elimination method. Which is the most direct way for her to begin?7x+5y=4-8x+5y=12A Add the equations to eliminate y.B Multiply each term in 7x+5y=4 by 7 and multiply each term in -8x+5y=12 by 8.C Subtract the equations to eliminate y.DIt does not matter what Kya does first because this system of equations has no solution.Rachel wants to eliminate the variable x to solve the system shown. What does she need to do before combining the equations?2x+11y=-1-7x+12y=8A Multiply each term in 2x + 11y = -1 by 7 and multiply each term in -7x + 12y = 8 by 2.B Add the equations to eliminate y.C Divide the first equation by 2.DSubtract the equations to eliminate y. Which system of equations cannot be readily solved by the substitution method? A x-12y=-5x+5y=-11B5x-12y=-11-5x+11y=11C 11x+12y=5-5x-y=11D x+12y=11-5x-5y=11Mr. Frankel bought 9 tickets to a puppet show and spent $55. He bought a combination of child tickets for $3 each and adult tickets for $10 each. Which system of equations below will determine the number of adult tickets, a, and the number of child tickets, c, he bought?A a=c-1010a+3c=55B10a+3c=55a+c=9C a+c=495a+c=9D 3a+3c=64a+c=9Lena made 42 ounces of a fruit drink mix using pineapple juice and grapefruit juice. The number of ounces of pineapple juice in the fruit drink mix is 6 less than 3 times the number of ounces of grapefruit juice in the fruit drink mix. Which system of equations should be used to solve the problem?A 6x+3y=42x-6=3yB6x+3y=42x+6=3yC x+y=42x+6=3yD x+y=42x-6=3yWhich problem could be solved using the inequality 5n ? 55?A Five students split a restaurant bill that came to $55.B Five equal-priced shirts came to under $55.C Marty earned $55 for 5 hours of work.D The product of 5 and a number is equal to 55. ................
................

In order to avoid copyright disputes, this page is only a partial summary.

Google Online Preview   Download