1Tools:★✎▥Chapter 83 · 2024.10 : A-A(analysis included) · MATH 1The table summarizes members of a local organization by age and whether they live north or south of Center St. If a member of the organization is selected at random, what is the probability that the selected member is at least 45 years old?A30/135B35/135C100/135D105/135
2Tools:★✎▥Chapter 83 · 2024.10 : A-A(analysis included) · MATH 1Which expression is equivalent to 4(x2 + 6)?A4x2 + 24B4x2 + 10C4x2 + 6D4x2 - 2
3Tools:★✎▥Chapter 83 · 2024.10 : A-A(analysis included) · MATH 1For the linear function f, the graph of y = f(x) in the xy-plane has a slope of and passes through the point (0,5). Which equation defines f?ABCD
4Tools:★✎▥Chapter 83 · 2024.10 : A-A(analysis included) · MATH 1The function f is defined by . What is the value of f(144) ?A12B15C17D7
5Tools:★✎▥Chapter 83 · 2024.10 : A-A(analysis included) · MATH 1For the given equation, which table gives three values of x and their corresponding values of y?7x - 4y = -84ABCD
6Tools:★✎▥Chapter 83 · 2024.10 : A-A(analysis included) · MATH 1A geologist estimates that the volume of a boulder is greater than 12.7 cubic feet but less than 15.7 cubic feet. The geologist also estimates that the boulder weighs 160 pounds per cubic foot of volume. Which inequality represents this situation, where represents the estimated total weight, in pounds, of the boulder?ABCD
7Tools:★✎▥Chapter 83 · 2024.10 : A-A(analysis included) · MATH 1If 46 = 16 + 2(x - 8), what is the value of 2(x - 8)?A16B23C30D38
8Tools:★✎▥Chapter 83 · 2024.10 : A-A(analysis included) · MATH 1Which graph represents the given system of equations?y = x2 + 1.7y = 1.7 - xABCD
9Tools:★✎▥Chapter 83 · 2024.10 : A-A(analysis included) · MATH 1In triangle ABC, the measure of angle A is 47°, the measure of angle B is 90°, and the measure of angle C is . What is the value of k?A43B45C86D94
10Tools:★✎▥Chapter 83 · 2024.10 : A-A(analysis included) · MATH 1A clothing store buys shirts at a wholesale price of 5.00 dollars each and resells them each at a retail price that is 270% of the wholesale price. At the end of the season, any remaining shirts are marked at a discounted price that is 70% off the retail price. What is the discounted price of each remaining shirt, in dollars?A9.45B6.05C4.05D9.05
11Tools:★✎▥Chapter 83 · 2024.10 : A-A(analysis included) · MATH 1Which of the following is closest to the slope of this line of best fit?A-3.3B-1.1C1.1D3.3
12Tools:★✎▥Chapter 83 · 2024.10 : A-A(analysis included) · MATH 1The expression 72y5 - 48y4 is equivalent to ry4(12y - 8), where r is a constant. What is the value of r?A9B8C6D12
13Tools:★✎▥Chapter 83 · 2024.10 : A-A(analysis included) · MATH 1The equation gives the estimated stock price y, in dollars, for a certain company x days after the company went public, where 0 ≤ x ≤ 20. Which statement is the best interpretation of (x,y) = (1,58) in this context?y = 0.25x2 - 6.5x + 64.25A1 day after the company went public, the company's estimated stock price is $58.B58 days after the company went public, the company's estimated stock price is $1.CThe company's estimated stock price increased $58 every day after the company went public.DThe company's estimated stock price increased $1 every 58 days after the company went public.
14Tools:★✎▥Chapter 83 · 2024.10 : A-A(analysis included) · MATH 1The total mass, in kilograms, of r identical objects is t. Which expression represents the total mass, in kilograms, of 146r of these objects?ABCD
15Tools:★✎▥Chapter 83 · 2024.10 : A-A(analysis included) · MATH 1If , what is the value of 7x2?A6B7C42D294
16Tools:★✎▥Chapter 83 · 2024.10 : A-A(analysis included) · MATH 1Line k is shown in the xy-plane. Line j (not shown) is perpendicular to line k. What is the slope of line j?A5/6B-5/6C6/5D-6/5
17Tools:★✎▥Chapter 83 · 2024.10 : A-A(analysis included) · MATH 1The function f is defined by f(x) = -9x + 9 . What is the y-coordinate of the y-intercept of the graph of y = f(x) in the xy-plane?A-9B0C9D-1/9
18Tools:★✎▥Chapter 83 · 2024.10 : A-A(analysis included) · MATH 1The equation gives the corresponding temperature , in degrees Fahrenheit, of any substance that has a temperature of kelvins, where . If a substance has a temperature of 467.33 degrees Fahrenheit, what is the corresponding temperature, in kelvins, of this substance?A241.85B435.33C515D825
19Tools:★✎▥Chapter 83 · 2024.10 : A-A(analysis included) · MATH 1A circle in the xy-plane has its center at (16,17) and has a radius of 7k. Which equation represents this circle?A(x - 16)2 + (y - 17)2 = 49kB(x - 16)2 + (y - 17)2 = 49k2C(x - 16)2 + (y - 17)2 = 7kD(x - 16)2 + (y - 17)2 = 7k2
20Tools:★✎▥Chapter 83 · 2024.10 : A-A(analysis included) · MATH 1In the triangle shown, . What is the value of ?ABCD
21Tools:★✎▥Chapter 83 · 2024.10 : A-A(analysis included) · MATH 1Parallelogram ABCD is similar to parallelogram PQRS. The length of each side of parallelogram PQRS is 2 times the length of its corresponding side of parallelogram ABCD. The area of parallelogram ABCD is 5 square centimeters. What is the area, in square centimeters, of parallelogram PQRS?A7B10C20D25
22Tools:★✎▥Chapter 83 · 2024.10 : A-A(analysis included) · MATH 1The function r is defined by the given equation. The function s is defined by s(t) = r(t) + 1. Which expression represents the maximum value of s(t)?r(t) = 55t - 2t2ABCD