1Tools:★✎▥Chapter 1 · 2026.9 : B-B(analysis included) · MATH 1In the given equation, is a positive constant. A solution to this equation is . What is the value of ?A15B16C17D19
2Tools:★✎▥Chapter 1 · 2026.9 : B-B(analysis included) · MATH 15x + 3y = 730x + 18y = 42How many solutions does the given system of equations have?AExactly oneBExactly twoCInfinitely manyDZero
3Tools:★✎▥Chapter 1 · 2026.9 : B-B(analysis included) · MATH 1The function f(x) = 44.10 - 0.22x gives a person's estimated grip strength, in kilograms, x years after the person's grip strength was first measured. Based on the function, what is this person's estimated grip strength, in kilograms, 31.50 years after the person's grip strength was first measured?A12.38B37.17C44.10D51.03
4Tools:★✎▥Chapter 1 · 2026.9 : B-B(analysis included) · MATH 1The function g is defined by g(x) = + 800. What is the value of g(x) when x = 36?A6B800C806D836
5Tools:★✎▥Chapter 1 · 2026.9 : B-B(analysis included) · MATH 1For the linear function f, f(4) = 17 and f(8) = 1. Which equation defines f?Af(x) = -1/4 x + 18Bf(x) = 1/4 x - 1Cf(x) = -4x + 21Df(x) = -4x + 33
6Tools:★✎▥Chapter 1 · 2026.9 : B-B(analysis included) · MATH 1Which expression is equivalent to 20x³+ 4x?A4x(5 + 4x)B4x(5x²+ 1)C4x²(5 + 4x)D4x²(5x + 1)
7Tools:★✎▥Chapter 1 · 2026.9 : B-B(analysis included) · MATH 1If 6(2-4x)+5=5(2-4x)+19, what is the value of 2-4x?A-14B-3C3D14
8Tools:★✎▥Chapter 1 · 2026.9 : B-B(analysis included) · MATH 1If 2x−3y=12 and x+y=1, what is the value of x−4y?A7B9C11D13
9Tools:★✎▥Chapter 1 · 2026.9 : B-B(analysis included) · MATH 1The function , where a is a constant. If f(4)=−5, what is the value of f(0)?A-7B-5C-3D1
10Tools:★✎▥Chapter 1 · 2026.9 : B-B(analysis included) · MATH 1In the xy-plane, the graph of is a circle. What is the distance from the center of the circle to the origin?A5BCD13
11Tools:★✎▥Chapter 1 · 2026.9 : B-B(analysis included) · MATH 1A data set has a mean of 20 and a standard deviation of 2. If each value in the data set is multiplied by 3 and then 5 is added, what is the new standard deviation?A2B5C6D11
12Tools:★✎▥Chapter 1 · 2026.9 : B-B(analysis included) · MATH 1A car travels at an average speed of 45 miles per hour for 2 hours and then at 60 miles per hour for 3 hours. What is the average speed for the entire trip, in miles per hour?A50B52.5C54D55
13Tools:★✎▥Chapter 1 · 2026.9 : B-B(analysis included) · MATH 1If∣2x−5∣≤7, what is the greatest possible value of x?A6B8C12D1
14Tools:★✎▥Chapter 1 · 2026.9 : B-B(analysis included) · MATH 1Which expression is equivalent to x20(x4)?Ax5Bx16Cx24Dx80
15Tools:★✎▥Chapter 1 · 2026.9 : B-B(analysis included) · MATH 1x2 + y2 - 8x + 4y - 29 = 0 In the xy-plane, the graph of the given equation is a circle. What are the coordinates (x, y) of the center of the circle?A( -8, -29)B( -8, 4)C( 4, -2)D( 4, 2)
16Tools:★✎▥Chapter 1 · 2026.9 : B-B(analysis included) · MATH 10.0048 is 0.8% of a, and 84 is 350% of b, where a and b are positive numbers. What percentage of a is b?A40%B144%C1,440%D4,000%
17Tools:★✎▥Chapter 1 · 2026.9 : B-B(analysis included) · MATH 1The complete graph of a quadratic function passes through points (1,0),(5,0),(0,10). What is the minimum value of this function?A−8B−2.5C−4D−5
18Tools:★✎▥Chapter 1 · 2026.9 : B-B(analysis included) · MATH 1The price of a shirt is increased by 20% to $30. What was the original price before increase?Type your answer
19Tools:★✎▥Chapter 1 · 2026.9 : B-B(analysis included) · MATH 1The average of 5 numbers is 14. If one number is removed, the average of the remaining four numbers is 12. Find the removed number.Type your answer
20Tools:★✎▥Chapter 1 · 2026.9 : B-B(analysis included) · MATH 1A circle’s radius changes from 4 to 8. How many times larger is the new area?Type your answer
21Tools:★✎▥Chapter 1 · 2026.9 : B-B(analysis included) · MATH 1Solve the system: What is the value of x?Type your answer
22Tools:★✎▥Chapter 1 · 2026.9 : B-B(analysis included) · MATH 1Two similar figures have side ratio 4:5. The area of the smaller one is 32. What is the area of the larger figure?Type your answer