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Chapter 52 · 2025.5 : A-A (analysis included) · MATH 2

If 5 - x = -3 , what is the value of 7x-35 ?

A-21B-14C14D21

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Chapter 52 · 2025.5 : A-A (analysis included) · MATH 2

In the figure , line l is parallel to line m, What is the value of x?

A23B57C123D132

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Chapter 52 · 2025.5 : A-A (analysis included) · MATH 2

The graph of the linear function f is shown, where y = f(x). Which equation defines f ?

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Chapter 52 · 2025.5 : A-A (analysis included) · MATH 2

The function t gives the estimated melting temperature, in degrees Celsius, of a DNA molecule as a function of the percent of guanine-cytosine (GC) content , x , in the DNA molecule. The graph of

is shown. According to the graph, which of the following statements is NOT true?

AFor each increase of x by 1 , t(x) increases by approximately

.BA DNA molecule with a GC content of

has an estimated melting temperature between

and

.CA DNA molecule with a GC content of

has an estimated melting temperature between

and

.DA DNA molecule with a GC content of

has an estimated melting temperature between

and

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Chapter 52 · 2025.5 : A-A (analysis included) · MATH 2

In the xy-plane, line s is parallel to line t . Line s is defined by y + 16 = 7x . What is the slope of line t ?

A-16B-7C7D16

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Chapter 52 · 2025.5 : A-A (analysis included) · MATH 2

Scientists collected fallen acorns that each housed a colony of the ant species P. ohioensis and analyzed each colony's structure. For any of these colonies , if the colony has x worker ants , the equation y = 0.67x + 2.6 , where 20 ≤ x ≤ 110 , gives the predicted number of larvae , y , in the colony. If one of these colonies has 39 worker ants, which of the following is closest to the predicted number of larvae in the colony?

A29B42C54D128

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Chapter 52 · 2025.5 : A-A (analysis included) · MATH 2

For which of the following tables are all the values of x and their corresponding values of y solutions to the given inequality?

y > 5x - 4

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Chapter 52 · 2025.5 : A-A (analysis included) · MATH 2

The given equation relates the variables P , N , and C . Which expression represents the value of C for distinct positive values of P and N ?

P = N(34 - C)

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Chapter 52 · 2025.5 : A-A (analysis included) · MATH 2

What is the sum of the solutions to the given equation?
x² - 15x + 12 = 0

A15B12C3D0

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Chapter 52 · 2025.5 : A-A (analysis included) · MATH 2

The figure shown is a right rectangular pyramid , where l = 18 units , w = 9 units , and h = 12 units . What is the surface area , in square units , of the pyramid?

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Chapter 52 · 2025.5 : A-A (analysis included) · MATH 2

The function

gives a toy car's height above the ground f(x) , in inches, x seconds after it started moving on an elevated track, where 0≤x≤10 . Which of the following is the best interpretation of the vertex of the graph of y = f(x) in the xy-plane?

AThe toy car's minimum height was 4 inches above the ground.BThe toy car's minimum height was 6 inches above the ground.CThe toy car's height was 4 inches above the ground when it started moving.DThe toy car's height was 6 inches above the ground when it started moving.

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Chapter 52 · 2025.5 : A-A (analysis included) · MATH 2

In triangle QRS shown , QR < RS . Which expression represents the length of QS ?

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Chapter 52 · 2025.5 : A-A (analysis included) · MATH 2

A researcher surveyed undergraduate students, graduate students, and postdoctoral students. The number of undergraduate students surveyed was 7,150% of the number of postdoctoral students surveyed and the number of graduate students surveyed was 45% of the number of undergraduate students surveyed. If there were 6,435 graduate students surveyed, what was the sum of the number of undergraduate students and postdoctoral students surveyed?

A14,300B

14,500

C1,022,450D1,036,750

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Chapter 52 · 2025.5 : A-A (analysis included) · MATH 2

In the given system of equations, t is a constant. If the system has no solution, what is the value of t ?

A13B14C26D27

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Chapter 52 · 2025.5 : A-A (analysis included) · MATH 2

A computer repair specialist charges $ 160 for the first two hours of repair plus an hourly fee for each additional hour. The total cost for 6 hours of repair is $ 360 . Which function f gives the total cost, in dollars, for x hours of repair, where x≥2 ?

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Chapter 52 · 2025.5 : A-A (analysis included) · MATH 2

The function f is defined by the given equation. If g(x) = f(x+3) , which of the following equations defines the function g ?

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Chapter 52 · 2025.5 : A-A (analysis included) · MATH 2

The bone mineral density of a certain person's thoracic spine was estimated to be 0.812 grams per square centimeter. What is this estimated bone mineral density in grams per square millimeter? ( 1 centimeter = 10 millimeters)

A81.2B8.12C0.0812D0.00812

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Chapter 52 · 2025.5 : A-A (analysis included) · MATH 2

Which expression is a factor of

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Chapter 52 · 2025.5 : A-A (analysis included) · MATH 2

In the given equation, k is a positive constant. The product of the solutions to the equation is 72 . What is the value of k ?

A-31/5B-63/5C31/5D63/5

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Chapter 52 · 2025.5 : A-A (analysis included) · MATH 2

A right rectangular prism has a base area of 56t square centimeters (cm²). The length of the base of the rectangular prism is 14/3 cm , and the height of the rectangular prism is 3 cm . Which expression represents the surface area , in cm² , of the right rectangular prism?