Digital SAT Practice Questions

In evolutionary biology, the Baldwin effect posits that phenotypic plasticity—an organism’s ability to alter its physical traits in response to environmental ch...

Text 1 Proponents of high-frequency algorithmic trading (HFT) argue that its implementation has effectively democratized modern financial markets. By executing ...

Historical sociologists frequently conceptualize the rise of the modern European nation-state as a linear, inevitable progression from the fractured tribalism o...

Hidden beneath the expansive, two-mile-thick ice sheets of Antarctica and completely isolated from the global biosphere for millions of years ________ a vast, i...

While analyzing the original text of the 18th-century border treaty, the historian realized that the document was riddled with ________ language. These carefull...

Let \( P(x) = x^4 + ax^3 + bx^2 + cx + d \), where \( a, b, c, \) and \( d \) are real constants. When the polynomial \( P(x) \) is divided by \( x^2 + 1 \), th...

In the \( xy \)-plane, the circle with equation \[ x^2 + (y - 3)^2 = 10 \] intersects the parabola with equation \[ y = x^2 + k \] at exactly three distinct poi...

The solution to the equation \[ 2^{x+2} \cdot 3^{x-1} = 5^{2x} \] is \( x \). Which of the following expressions is equivalent to \( x \)?...

Acute triangle \( ABC \) is inscribed in a circle with a radius of \( 12 \). If \( \sin(A) = \frac{3}{4} \) and the measure of angle \( B \) is \( 30^\circ \), ...

A merchant sells two types of gems: rubies and sapphires. A ruby costs $120 and a sapphire costs $85. The merchant sold a total of \( N \) gems for exactly $4,1...

In paleoclimatology, reconstructing ancient ocean pH often relies on measuring the boron isotope ratio (\(^{11}\text{B}/^{10}\text{B}\)) found in the fossilized...

Text 1 For decades, literary historians have posited that the sheer psychological devastation of World War I was the singular catalyst for literary modernism. T...

In 1932, while observing the astonishingly agile flight patterns of tiny insects like the Encarsia formosa wasp, ______ Which choice completes the text so that ...

The introduction of the cane toad to Australia in 1935 was officially intended to eradicate the cane beetle, a pest devastating the country's lucrative sugarcan...

A team of biochemists is evaluating a newly synthesized enzyme designed to accelerate the degradation of polyethylene terephthalate (PET) plastics. They hypothe...

The system of equations is given by \[ y = cx^2 - 4x + 7 \] \[ y = 2x + k \] where \( c \) and \( k \) are constants. If the system has exactly one real solutio...

In the \( xy \)-plane, a circle with center \( O \) passes through the origin and has a radius of \( 4 \). Points \( A \) and \( B \) lie on the circle such tha...

What is the sum of all valid solutions to the equation below? \[ \frac{x}{x - 3} - \frac{2}{x + 3} = \frac{18}{x^2 - 9} \]...

A microbiologist is observing two bacterial cultures, Culture A and Culture B. Culture A initially contains \( 10,000 \) bacteria and grows by \( p\% \) every \...

The polynomial \( P(x) = ax^3 + bx^2 + cx + d \) has a remainder of \( 5 \) when divided by \( (x - 2) \), and a remainder of \( -3 \) when divided by \( (x + 1...

In 1990, researchers studying the agouti gene in mice made a groundbreaking discovery regarding epigenetics. Mice expressing the mutant agouti gene typically di...

During the Tokugawa shogunate in Japan, the daimyos (feudal lords) possessed immense regional power and autonomous wealth. To prevent potential rebellions, the ...

Text 1 Proponents of generative artificial intelligence argue that AI systems are fully capable of producing genuine art. They posit that art is fundamentally a...

Buried deep beneath the dense, impenetrable canopy of the Amazon rainforest and largely isolated from modern archaeological surveying techniques _____ the spraw...