c. x x < 60 d. x x =9. What are the first four terms of the sequence? a. 12, 21, 30, 39 b.

Transcription

1 Algebra I Unit Reasoning with Linear Equations and Inequalities Post Test... A famil s cell phone plan costs $ per month for, minutes and cents per minute over the limit. This month, the famil paid $.. B how much time did the eceed their plan? a. minutes b. minutes c. minutes d. minutes You have no more than $ to spend. You want a drink that costs $. including ta, and ou want to bu a pair of pants, which will have % sales ta. What is the inequalit that represents the amount of mone ou have to spend? a > b c < d w. The formula for calculating a person s bod mass inde is B =, for which w represents weight in kilograms and h represents height in meters. Solve this formula for w. h a. w= Bh b. w= B h c. w = B h d. w= ( Bh).. The recursive formula for an arithmetic sequence is given as an= an +, with a =. What are the first four terms of the sequence? a.,,, b.,,, It costs $ to bu an air conditioner and about $. per minute to run it. Which equation models the total cost of using an air conditioner? a. + =. b. =. c.,,,, d.,,, c. = +. d. =. +

2 . A -inch candle burns at a rate of inches per hour. What is the graph of the equation that models the height of the candle over time? a. c. b. d.. Given the inequalit +, which point is NOT a solution? a. (, ) b. (, ) c. (, ) d. (, ). Your cell phone compan charges $. a month plus $. for each tet message sent. You have budgeted no more than $. for cell phone service each month. Given this situation, determine the minimum and maimum number of tets ou can send without going over budget. Let represent the number of tets. a. <. b. and. c. > and < d. and Your doctor recommends that ou eat at least grams of protein each da. One serving of

3 . Identif the propert of equalit that justifies the missing step in solving the equation below. Equation Steps = Original equation = = Division propert of equalit = Smmetric propert of equalit a. subtraction propert of equalit b. addition propert of equalit c. division propert of equalit d. multiplication propert of equalit. What is the solution to the inequalit a. > b. < + > +? c. > d. <. What is the solution to the equation + ( ) =? a. = c. =. b. =. d. There are no solutions to this equation... Tickets to the carnival cost $. for adults and $. for children. A group of people went to the carnival and paid $ for tickets. How man adult tickets were purchased? How man children s tickets were purchased? a. adult tickets and children s tickets were purchased. b. adult tickets and children s tickets were purchased. c. adult tickets and children s tickets were purchased. d. The number of each ticket purchased can t be determined from the given information. = The eplicit formula for an arithmetic sequence is given as an = + ( n )(). The fifth term of the sequence is. What is the missing value? a. b. c. d.

4 ... What is the solution to the sstem a. (, ) b. (, ) =? + = c. There are infinitel man solutions to this sstem of equations. d. There are no solutions to this sstem of equations. Which of the following is true at the intersection of = f() and = g()? a. f() = g() c. f() = b. = d. g() < f() If f () = and the domain of f is {,, }, what is the range of f ()? a. {,, } c. {,, } b. {,, } d. {,, }.. Given the graph below, what is f()? a. f() = b. f() = c. f() = d. f() =

5 . How does increasing the slope in a linear function change the graph of the line? a. The line rises more steepl. c. The -intercept increases. b. The line is less steep. d. The -intercept decreases... Your car broke down, and the final bill was $.. The part that was replaced cost $, and the charge for the mechanic s labor is $ per hour. Write an equation to model this situation, then solve the equation for the number of hours the mechanic worked on our car.. A photographer sells large photos for a $ profit and small photos for an $ profit. This past ear, she sold photos and made a profit of $,. How man of each size photo did she sell?