Digital SAT Practice Questions

Alloy A consists of 40% copper and 60% zinc by mass. Alloy B consists of 70% copper and 30% zinc by mass. A manufacturer combines \( x \) grams of Alloy A with ...

In the xy-plane, an angle with measure \( \theta \) radians is in standard position, and its terminal side intersects the unit circle at point \( P \). The x-co...

Researchers investigating the "SNARC effect"—the psychological tendency to associate smaller numbers with the left side of space and larger numbers with the rig...

Text 1 The Cambrian Explosion, a period of rapid evolutionary diversification approximately 541 million years ago, was primarily catalyzed by a sudden, massive ...

Widely considered one of the most enigmatic figures of the Harlem Renaissance, ______. Which choice completes the text so that it conforms to the conventions of...

The Venetian Republic's extraordinary economic dominance in the Mediterranean during the 15th century was long attributed solely to its formidable naval fleet a...

A literary scholar posits that the massive popularity of 19th-century serialized novels (stories published in consecutive magazine installments) relied heavily ...

The quadratic function \( f \) is defined by \( f(x) = a(x - h)^2 + k \), where \( a \), \( h \), and \( k \) are constants. The graph of \( y = f(x) \) in the ...

In the \(xy\)-plane, a circle with center \( O \) has the equation \( x^2 + y^2 - 12x + 8y = 12 \). Point \( A \) lies on the circle, and a line is drawn tangen...

Let \( P(x) = x^4 + ax^3 - 7x^2 + bx - 12 \), where \( a \) and \( b \) are constants. When \( P(x) \) is divided by \( (x - 2) \), the remainder is \( -18 \). ...

In a certain school district, the ratio of the number of elementary school teachers to high school teachers is \( 5 : 3 \). The average (arithmetic mean) annual...

For positive constants \( m \) and \( n \), the following system of equations is true: \[ m^k \cdot n^{3k} = 10^{14} \] \[ 2\log_{10}(m) + 6\log_{10}(n) = 16 \]...

While the initial reviews of her novel were undeniably hostile, the author's reputation did not suffer long-term damage; in fact, the controversy ultimately ___...

Text 1 Ecologists have long hypothesized that the introduction of apex predators into Ecosystem X would initiate a classic top-down trophic cascade. According t...

The expedition's geological survey yielded several unprecedented findings: a subterranean lake with an unusually high salinity level; a series of dormant hydrot...

A famous paradox in behavioral economics centers on the "Traveler's Dilemma." In this scenario, two travelers whose identical luggage was lost are asked by an a...

Historian Alana Vance has recently challenged the long-held academic consensus regarding the collapse of the ancient Harappan civilization. For decades, scholar...

The function \( f \) is defined by \( f(x) = x^2 - 6x + c \), and the function \( g \) is defined by \( g(x) = |x - 3| + d \), where \( c \) and \( d \) are con...

A circle with center \( O \) has a radius of \( 6 \). A triangle \( ABC \) is inscribed in the circle such that \( AB \) is a diameter of the circle. A second, ...

A company operates entirely out of a North office and a South office. Currently, the average (arithmetic mean) salary of employees in the North office is \( \$8...

The population of City A grows by \( 50\% \) every 5 years, and the population of City B grows by \( q\% \) every 10 years, where \( q \) is a positive constant...

The rational function \( f \) is defined by \( f(x) = \frac{ax + b}{cx + d} \), where \( a, b, c, \) and \( d \) are constants. In the \( xy \)-plane, the graph...

In her 2004 monograph, historian Elena Rostova evaluates the economic policies of the Late Byzantine Empire. Traditionally, scholars have cited the debasement o...

Text 1 Ecologists have long observed that anthropogenic environments, such as heavily polluted urban centers, can drive rapid evolutionary changes in local wild...