Digital SAT Practice Questions

Text 1 In the 1920s, astronomer Edwin Hubble observed that galaxies are moving away from Earth, with those further away moving faster. This discovery, derived f...

Ecologist Dr. Elena Rostova hypothesized that the introduction of apex predator species to an unbalanced ecosystem would not uniformly decrease prey populations...

Critics often point to the slow, meandering prose of Henry James's later novels as evidence of a decline in his narrative faculties. _______, this stylistic evo...

The equation \[ \frac{2x}{x-3} + \frac{1}{x+a} = \frac{4x^2 - 5x + 3}{x^2 + (a-3)x - 3a} \] has exactly one valid real solution for \( x \). If \( a \) is a pos...

A circle in the \( xy \)-plane has the equation \[ x^2 + y^2 - 14x + 6y + k = 0 \] where \( k \) is a constant. If the circle is tangent to the line \( 3x - 4y ...

The polynomial \( P(x) = x^4 + ax^3 + bx^2 + cx + d \) has roots at \( x = 1 \), \( x = -2 \), and \( x = 3 \). When \( P(x) \) is divided by \( (x+1) \), the r...

The function \( P(t) = P_0 (a)^{t} \) models the population of a certain bacteria culture after \( t \) hours. The population triples every 45 minutes. If the f...

In a recent survey of a certain population, the ratio of people who drink coffee to those who do not is \( 3:1 \), and the ratio of people who drink tea to thos...

While nineteenth-century geologist Charles Lyell was a champion of uniformitarianism—the idea that the Earth was shaped by slow-moving geological forces still i...

Some evolutionary biologists suggest that the rapid speciation of cichlid fishes in Lake Victoria is driven primarily by sexual selection—specifically, female m...

Text 1 Advocates of the nineteenth-century gold standard argued that tying a nation’s currency to a physical commodity prevented reckless government spending an...

The newly discovered exoplanet Kepler-1649c orbits its red dwarf host star within the habitable zone, a region where liquid water could theoretically exist. How...

Archaeological consensus has long held that the transition from foraging to agriculture in the ancient Levant was driven strictly by necessity: a changing clima...

In the \( xy \)-plane, the graph of the equation \( y = 2x^2 + bx + 8 \) intersects the line \( y = cx - 10 \) at exactly one point. If \( b \) and \( c \) are ...

A regular hexagon is inscribed in a circle with center \( O \). The area of the circle is \( 144\pi \). A sector of the circle is formed by two adjacent vertice...

Pump A can fill a tank in \( x \) hours, and Pump B can fill the same tank in \( y \) hours, where \( x \) and \( y \) are positive constants. When Pump A and P...

Let \( P(x) = ax^3 + bx^2 + cx + d \), where \( a, b, c, \) and \( d \) are constants. When \( P(x) \) is divided by \( (x - 2) \), the remainder is 15. When \(...

The equation \[ \frac{x^2 - kx + 16}{x - 4} = x + 5 \] has no solution for \( x \). If \( k > 0 \), what is the value of the constant \( k \)?...

Historian Evelyn Ward argues that the rapid industrialization of the 19th-century British textile industry was primarily driven by the sudden availability of ch...

Text 1 Classical utilitarianism dictates that moral actions are strictly those that maximize overall happiness and minimize suffering for the greatest number of...

Jupiter’s moon Europa is encased in a massive crust of ice, beneath which planetary scientists strongly suspect lies a vast, global ocean of liquid water. The i...

Hidden beneath the dense, impenetrable canopy of the remote Guatemalan jungle for over a millennium, ______ Which choice completes the text so that it conforms ...

Despite the diplomatic committee's exhaustive, months-long efforts to mediate the territorial dispute, the two factions remained firmly entrenched in their resp...

In the \(xy\)-plane, the graphs of the quadratic functions \( y = ax^2 + bx + c \) and \( y = dx^2 + ex + f \) intersect the \(x\)-axis at the exact same two di...