Free Digital SAT Practice Questions (854 Items) | Test Citadel
TC
Test Citadel
Digital SAT Bank

Digital SAT Practice Questions

Access 854 official-caliber practice questions. Filter by subject or difficulty to pinpoint your cognitive blind spots.

Showing 24 of 854 items Page 1 of 36
Reading and Writing Hard (650)

The intricate bronze sculptures of the historical Benin Kingdom were created using the lost-wax casting technique. This method requires the artist to sculpt a m...

Question #24 Solve & Check Answer →
Reading and Writing Hard (780)

Researchers investigating the decay rates of specific radioisotopes in extreme high-pressure environments observed a minute but statistically significant varian...

Question #25 Solve & Check Answer →
Math Hard (650)

The quadratic function f is defined by f(x) = x^2 - 6x + c, where c is a constant. If the graph of y = f(x) in the xy-plane has exactly one distinct real x-inte...

Question #29 Solve & Check Answer →
Math Hard (800)

In the xy-plane, the graph of the equation x^2 + y^2 - 10x + 8y + k = 0 is a circle, where k is a constant. If the radius of the circle is 7, what is the value ...

Question #30 Solve & Check Answer →
Reading and Writing Hard (650)

For decades, the standard model of cellular metabolism was accepted by the scientific community without question. However, recent breakthroughs in high-resoluti...

Question #221 Solve & Check Answer →
Reading and Writing Hard (650)

Sociologist Dr. Aris Thorne hypothesizes that urban parks designed with irregular, unstructured pathways promote more cross-demographic socialization than parks...

Question #222 Solve & Check Answer →
Reading and Writing Hard (650)

The earliest synthetic dyes, developed in the mid-nineteenth century, were notorious for fading rapidly when exposed to direct sunlight or hot water. ________ W...

Question #223 Solve & Check Answer →
Reading and Writing Hard (650)

Deep within the extensive, climate-controlled archives of the national historical museum ________ a highly delicate manuscript containing previously undiscovere...

Question #224 Solve & Check Answer →
Reading and Writing Hard (650)

While researching materials for aerospace engineering, a student took the following notes: - Aerogel and Material X are both being evaluated for spacecraft insu...

Question #225 Solve & Check Answer →
Math Hard (650)

\[ \frac{1}{2}x - \frac{3}{4}y = 5 \] \[ cx - 3y = 20 \] In the given system of linear equations, \( c \) is a constant. For what value of \( c \) does the syst...

Question #226 Solve & Check Answer →
Math Hard (650)

A toy rocket is launched from a raised platform. Its height \( h(t) \), in feet, after \( t \) seconds is given by the function \[ h(t) = -16t^2 + 64t + 80 \] W...

Question #227 Solve & Check Answer →
Math Hard (650)

If \( x > 0 \), which of the following expressions is equivalent to \[ \sqrt{x^5} \cdot \sqrt[3]{x^2} \] ?...

Question #228 Solve & Check Answer →
Math Hard (650)

A culture of bacteria initially contains 500 bacteria. The population increases by 15% every 4 hours. Which of the following functions \( P(t) \) models the num...

Question #229 Solve & Check Answer →
Math Hard (650)

The equation of a circle in the \( xy \)-plane is given by \[ x^2 + 8x + y^2 - 10y = 8 \] What is the radius of the circle?...

Question #230 Solve & Check Answer →
Reading and Writing Hard (665)

In the mid-nineteenth century, physicist James Clerk Maxwell formulated a set of equations describing electromagnetic fields. Initially, many in the scientific ...

Question #231 Solve & Check Answer →
Reading and Writing Hard (665)

In the mid-twentieth century, urban planners in the United States heavily favored the construction of expansive highway systems, operating under the assumption ...

Question #232 Solve & Check Answer →
Reading and Writing Hard (665)

Text 1 Studies of the Tyrannosaurus rex skull suggest that its olfactory bulbs were exceptionally large relative to its brain size. Paleontologist Sarah Jenkins...

Question #233 Solve & Check Answer →
Reading and Writing Hard (665)

The mesmerizing bioluminescence of the Aequorea victoria jellyfish is produced by a specific protein known as green fluorescent protein (GFP). When exposed to b...

Question #234 Solve & Check Answer →
Reading and Writing Hard (665)

A linguist hypothesized that the rate at which a language loses its morphological complexity (such as specific gender and case endings) is directly proportional...

Question #235 Solve & Check Answer →
Math Hard (665)

Consider the following system of linear equations: \[ 3x - 4y = 12 \] \[ 6x + ky = 10 \] In the system of equations above, \( k \) is a constant. If the system ...

Question #236 Solve & Check Answer →
Math Hard (665)

The function \( f \) is defined by \( f(x) = -2x^2 + 16x - 24 \). Which of the following equivalent forms of the function \( f \) displays the maximum value of ...

Question #237 Solve & Check Answer →
Math Hard (665)

The equation of a circle in the \( xy \)-plane is given by: \[ x^2 + y^2 - 10x + 6y + 9 = 0 \] If this circle is translated 2 units to the right and 3 units dow...

Question #238 Solve & Check Answer →
Math Hard (665)

A conservationist is tracking a population of a specific rare beetle in a protected forest. The population is observed to increase by \( 12\% \) every year. If ...

Question #239 Solve & Check Answer →
Math Hard (665)

Consider the rational equation below: \[ \frac{x^2 + 5x + 6}{x + 3} = x^2 + 2x - 4 \] What is the sum of all valid solutions \( x \) to the given equation?...

Question #240 Solve & Check Answer →
Page 1 of 36 Next →
Full Timed Simulation

Want an authentic test day experience?

Take our adaptive diagnostic test with live countdown timers, official break screens, and an embedded Desmos graphing calculator.

Start Free Diagnostic Test →

Socratic Assistant

Targeted hints without disclosing final solutions.

I am your Socratic tutor. Click one of the quick guidance buttons above or ask a specific question below about a formula or method.