1Tools:★✎▥Chapter 99 · 2024.03 : B (analysis included) · MATH 1The scatterplot shows the relationship between two variables, x and y A line of best lit is also shown. Which of the following equations best represents the line of best lit shown?Ay=2.6+1 .9xBy=2.6-1.9xCy=-2.6+1.9xDy=-2.6-1.9x
2Tools:★✎▥Chapter 99 · 2024.03 : B (analysis included) · MATH 12x-3y=4x =8What is the solution(x,y)to the given system of equations?A(8,4)B(8,-9)C(8,-4)D(8,9)
3Tools:★✎▥Chapter 99 · 2024.03 : B (analysis included) · MATH 1What value of x is the solution to the equation 8x+56 =36x?A-2BCD2
4Tools:★✎▥Chapter 99 · 2024.03 : B (analysis included) · MATH 1If 4(x+3)=3(x+3)+56. what is the value of x +3?A-3B53C56D59
5Tools:★✎▥Chapter 99 · 2024.03 : B (analysis included) · MATH 1The function f is defined by f(x)=x+63 .What is the value of f(20)?A77B73C87D83
6Tools:★✎▥Chapter 99 · 2024.03 : B (analysis included) · MATH 1The function f is defined by f(x)=2+. What is the value of f(100)?A0B12C27D52
7Tools:★✎▥Chapter 99 · 2024.03 : B (analysis included) · MATH 1Triangles ABC and DEF are congruent.where A corresponds to D, and B and E are right angles. The measure of angle A is 17° What is the measure in degrees of angle F?A17B90C73D52
8Tools:★✎▥Chapter 99 · 2024.03 : B (analysis included) · MATH 1At a convention center, there are a total of 250 visitors. Each visitor is located in either room A, room B, or room C. If one of these visitors is selected at random. the probability of selecting a visitor who is located in room A is 0.44, and the probability of selecting a visitor who is located in room B is 0.32. How many visitors are located in room C?A24B30C35D60
9Tools:★✎▥Chapter 99 · 2024.03 : B (analysis included) · MATH 1g(m)=-0 .05m+12 .4 The given function g models the number of gallons of gasoline that remains from a full gas tank in a car after driving m miles.According to the model, about how many gallons of gasoline are used to drive each mile?A0 .05B12 .4C20D248 .0
10Tools:★✎▥Chapter 99 · 2024.03 : B (analysis included) · MATH 1What is the center of the circle in the xy-plane defined by the equation (x-4)²+(y+3)²=16?A(-4,3)B(-4,-3)C(4,-3)D(4,3)
11Tools:★✎▥Chapter 99 · 2024.03 : B (analysis included) · MATH 1f(x)=3,000(0 .75)x A conservation scientist implemented a program to reduce a certain invasive insect population in an area. The given function estimates this insect species' population x years after 2008, where x≤8, Which of the following is the best interpretation of 3,000 in this context?AThe estimated percent decrease in the insect population for this species and area every 8 years after 2008BThe estimated percent decrease in the insect population for this species and area each year after 2008CThe estimated insect population for this species and area 8 years after 2008DThe estimated initial insect population for this species and area in 2008
12Tools:★✎▥Chapter 99 · 2024.03 : B (analysis included) · MATH 1Line r is defined by the equation 4x-9y= 5. Line s is parallel to line r in the xy-plane. What is the slope of line s?A-9B-4C4/9D9/4
13Tools:★✎▥Chapter 99 · 2024.03 : B (analysis included) · MATH 1The cost to rent a bus from Company X is $950 for the first 3 hours and an additional $50 per hour for each hour after the first 3 hours. If the total cost to rent the bus from Company X for t hours, where t>3. is $1,100, which equation represents this situation?A950(t-3)+50t =1,100B950(3t)+50t =1,100C950+50(t-3)=1,100D950+50(3t)=1,100
14Tools:★✎▥Chapter 99 · 2024.03 : B (analysis included) · MATH 1y=- x²+x+29The given equation models a company's active projects over 6months,where y is the estimated number of active projects x months afterthe end of April 2013,where O≤x≤6.Which statement is the bestinterpretation of the y-intercept of the graph of this equation in thexy-plane?AAt the end of April 2013,the estimated number of active projects was 0BAt the end of April 2013,the estimated number of active projects was29CAt the end of May 2013,the estimated number of active projects was 0DAt the end of May 2013,the estimated number of active projects was 29
15Tools:★✎▥Chapter 99 · 2024.03 : B (analysis included) · MATH 122 .5x+26 .75y=242; Odalys ordered mulch and river rock. which cost a total of $242. for her home. The given equation represents the relationship between the number of cubic yards of mulch. x. and the number of tons of river rock.y Odalys ordered. How much more. in dollars. did a ton of river rock cost Odalys than a cubic yard of mulch?A22.5B8/9C26.75D4.25
16Tools:★✎▥Chapter 99 · 2024.03 : B (analysis included) · MATH 1A hemisphere is half of a sphere.If a hemisphere has a radius of 86 inches,which of the following is closest to the volume,in cubic inches,of this hemisphere?A15,500B62,000C999,100D1,332,200
17Tools:★✎▥Chapter 99 · 2024.03 : B (analysis included) · MATH 1An object is kicked from a platform. The equation h=-4 .9t²+5t +12 represents this situation, where h is the height of the object above the ground, in meters, t seconds after it is kicked. Which number represents the height, in meters. from which the object was kicked?A0B4 .9C5D12
18Tools:★✎▥Chapter 99 · 2024.03 : B (analysis included) · MATH 1In△ABC , ∠B is a right angle and the length of BC is 260 millimeters. If cos A =3/5 .What is the length in millimeters of AB ?A325B260C195D65
19Tools:★✎▥Chapter 99 · 2024.03 : B (analysis included) · MATH 1In a certain state, the population of pheasants, a type of bird, is estimated each year by counting the number of pheasants observed along certain roads in the state. On average. each year from 2005 to 2015 the number of pheasants counted per mile of road decreased by 3.5%of the number of pheasants per mile of road the previous year. Based on this average, if there were 6.29 pheasants per mile of road in this state in 2005, which of the following best approximates the number of heasants per mile of road in 2015?A0 .965(6 .29)10B1 .035(6 .29)10C6 .29(0 .035)10D6 .29(0 .965)10
20Tools:★✎▥Chapter 99 · 2024.03 : B (analysis included) · MATH 1To study fluctuations in leaf water potential. samples of wood were taken from 24 trees and cut in the shape of a cube. The length of the edge of one of these cubes is 2.00 centimeters. If this cube has a mass of 4.48 grams. what is the density of this cube. in grams per cubic centimeter?A4.48B1.12C0.75D0.56
21Tools:★✎▥Chapter 99 · 2024.03 : B (analysis included) · MATH 1 The table shows two values of x and their corresponding values of y. The graph of the linear equation representing this relationship passes through the point (, a). What is the value of a?A4B24C76/3D89/3
22Tools:★✎▥Chapter 99 · 2024.03 : B (analysis included) · MATH 1Which system of linear equations has no solution?A-7x+8y=-37x-8y=3B7x-8y=38x+9y=4C7x-8y=3-21x+24y=-9D-7x+8y=314x-16y=6