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Chapter 2 · 2026.9 : B-A(analysis included) · MATH 2

The function

defined by

gives the estimated salinity, in grams per liter (g/L), for a certain solution

hours after the beginning of an experiment, where

. What is the best interpretation of 1.5 in this context?

AAt the end of the experiment, the estimated salinity of the solution is 1.5 g/L.BEvery 46 hours during the experiment, the estimated salinity of the solution increases by 1.5 g/L.CAt the beginning of the experiment, the estimated salinity of the solution is 1.5 g/L.DEvery hour during the experiment, the estimated salinity of the solution increases by 1.5 g/L.

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Chapter 2 · 2026.9 : B-A(analysis included) · MATH 2

A solution to the given system of equations is , where . What is the value of ?

A6B12C18D36

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Chapter 2 · 2026.9 : B-A(analysis included) · MATH 2

A gardener is growing a certain vegetable crop in a square plot of land. The gardener estimates that each square meter of this land will yield 5.32 kilograms of vegetable crop. Which function

gives the total estimated yield of the vegetable crop, in kilograms, if the length of each side of the square plot of land is

meters?

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Chapter 2 · 2026.9 : B-A(analysis included) · MATH 2

Segment

is a diameter of a circle with center

. The length of radius

is 24 units. What is the length, in units, of radius

A576B24C

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Chapter 2 · 2026.9 : B-A(analysis included) · MATH 2

One of the two equations in a system of linear equations is given. The system has infinitely many solutions. Which of the following could be the second equation in the system?

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Chapter 2 · 2026.9 : B-A(analysis included) · MATH 2

Which expression is equivalent to

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Chapter 2 · 2026.9 : B-A(analysis included) · MATH 2

The scatterplot shows the relationship between two variables,

and

. A line of best fit is also shown.

Which of the following is closest to the slope of this line of best fit?

A-3.5B-1.2C1.2D3.5

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Chapter 2 · 2026.9 : B-A(analysis included) · MATH 2

In 2010, a skating team had a total of 44 skaters, each classified as either advanced or intermediate. From 2010 to 2020, the number of advanced skaters on the team increased by approximately 53%, and the number of intermediate skaters on the team increased by approximately 19%. The total number of skaters on the team increased by approximately 32%. Which equation best represents this situation, where

represents the number of advanced skaters on the team in 2010 and

represents the number of intermediate skaters on the team in 2010?

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Chapter 2 · 2026.9 : B-A(analysis included) · MATH 2

The solution to the given system of equations is . What is the value of ?

A0B4C6D11

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Chapter 2 · 2026.9 : B-A(analysis included) · MATH 2

A researcher observes a sample of a nuclide. An exponential model estimates that the mass, in grams, of the sample decreases by 26% every 25.2 minutes. Which of the following equations could represent this model, where

is the estimated mass, in grams, of the sample

minutes after the researcher began observing the sample?

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Chapter 2 · 2026.9 : B-A(analysis included) · MATH 2

, what is the value of

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Chapter 2 · 2026.9 : B-A(analysis included) · MATH 2

The function

is defined by

, where

is a constant. In the xy-plane, the graph of

passes through the points

and

, where

is a constant. What is the value of

A7B8C12D15

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Chapter 2 · 2026.9 : B-A(analysis included) · MATH 2

In the given equation, is an integer constant. The equation has no real solution. What is the greatest possible value of ?

A0B2C11D23

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Chapter 2 · 2026.9 : B-A(analysis included) · MATH 2

The function

is defined by

. In the xy-plane, the graph of

is the result of shifting the graph of

to the right

units and down

units, where

and

are positive constants. Which equation defines function

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Chapter 2 · 2026.9 : B-A(analysis included) · MATH 2

In the xy-plane, the graph of the given equation is a circle. What is the length of the circle's radius?

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Chapter 2 · 2026.9 : B-A(analysis included) · MATH 2

The function

is defined by the equation

, where

and

are constants. In the xy-plane, the graph of

passes through the points

and

. If

, which of the following could be the value of

A-5B-4C4D5

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Chapter 2 · 2026.9 : B-A(analysis included) · MATH 2

A right square pyramid has a height of 13 centimeters (cm). A second right square pyramid has a height of 26 centimeters. The area of the bases of each of the two pyramids is

. Which of the following is closest to the difference in the surface area of the second pyramid and the surface area of the first pyramid, in

A274B286C524D706

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Chapter 2 · 2026.9 : B-A(analysis included) · MATH 2

When polynomial P(x) = x³ + ax² + bx - 6 is divided by (x-1) the remainder is 2, and when divided by (x-2) the remainder is 12. What is the value of a + b?

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Chapter 2 · 2026.9 : B-A(analysis included) · MATH 2

Triangle ABC is similar to triangle DEF. The ratio of the perimeter of ABC to DEF is 3:5. If the area of ABC is 36 square units, what is the area of DEF minus the area of ABC?

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Chapter 2 · 2026.9 : B-A(analysis included) · MATH 2

A stock price decreases by 10% in week 1 and increases by 10% in week 2. What is the net percent change over the two weeks? (Enter a number without %; use a negative sign for a decrease.)

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Chapter 2 · 2026.9 : B-A(analysis included) · MATH 2

The data set {5, 7, 9, 11, x} has a median of 9. What is the smallest possible integer value of x?

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Chapter 2 · 2026.9 : B-A(analysis included) · MATH 2

A population follows P(t) = 2000 ·1.05^t, where t is years. After how many years will the population reach 5000? Round to the nearest whole number.

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MATH 2 · 22 questions