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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 18 of 36
Reading and Writing Hard (800)

Embedded within the fossilized resin of the mid-Cretaceous period ________ fragments of a nearly perfectly preserved theropod tail, providing unprecedented insi...

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Math Hard (800)

The system of equations consists of a parabola \( y = px^2 - 4x + 5 \) and a line \( y = 2x + r \), where \( p \) and \( r \) are non-zero real constants. If th...

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Math Hard (800)

An isosceles trapezoid has bases of length \( 18 \) and \( 32 \). A circle is inscribed within the trapezoid such that it is tangent to all four of its sides. W...

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Math Hard (800)

The polynomial \( P(x) = x^4 + ax^3 + bx^2 + cx + d \) has real roots at \( x = 1 \), \( x = -2 \), and a double root at \( x = k \). If the \( y \)-intercept o...

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Math Hard (800)

The equation \( 2^{2x+3} - 17(2^x) + 2 = 0 \) has two real solutions, \( x_1 \) and \( x_2 \). What is the value of \( x_1 + x_2 \)?...

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Math Hard (800)

In the \( xy \)-plane, the graph of the equation \( x^2 + y^2 - 10x + 6y + c = 0 \) is a circle, where \( c \) is a constant. If the line \( y = x - 1 \) is tan...

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Reading and Writing Hard (800)

Physicist Elena Rostova posits that macroscopic systems do not exhibit observable quantum entanglement because interaction with the surrounding environment caus...

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Reading and Writing Hard (800)

Text 1 The swift adoption of the heavy plow in Northern Europe during the 11th century was fundamentally an economic phenomenon. Lords mandated its use to maxim...

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Reading and Writing Hard (800)

Historian Carter G. Woodson’s magnum opus, *The Mis-Education of the Negro*, revolutionized the study of African American history by arguing that the educationa...

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Reading and Writing Hard (800)

In evolutionary biology, the "Red Queen Hypothesis" posits that species must constantly adapt and evolve not merely to gain a reproductive advantage, but simply...

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Reading and Writing Hard (800)

In American jurisprudence, the doctrine of *stare decisis* dictates that courts must generally adhere to prior precedent when adjudicating contemporary cases wi...

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Math Hard (800)

In the \( xy \)-plane, the graph of \( y = x^4 - 2x^3 + kx^2 + mx - 8 \) intersects the \( x \)-axis at \( (2, 0) \). If the remainder when the polynomial is di...

Question #636 Solve & Check Answer →
Math Hard (800)

In the \( xy \)-plane, a circle with center \( O \) is given by the equation \[ x^2 + y^2 - 10x + 6y + 9 = 0 \] Line \( L \) is tangent to the circle at point \...

Question #637 Solve & Check Answer →
Math Hard (800)

In the \( xy \)-plane, the parabola \( y = ax^2 + bx + c \) has its vertex at \( (2, 1) \) and passes through the point \( (4, 9) \). A line with the equation \...

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Math Hard (800)

A farmer wants to construct a rectangular enclosure adjacent to a straight river. The side along the river requires no fencing. The enclosure is divided into 4 ...

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Math Hard (800)

In the complex plane, a sequence of complex numbers is defined by \( z_1 = 1 + i \) and \( z_{n+1} = (1 - i)z_n \) for all integers \( n \geq 1 \). What is the ...

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Reading and Writing Hard (800)

English economist William Stanley Jevons argued in the 19th century that technological improvements that increase the efficiency of resource use tend to increas...

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Reading and Writing Hard (800)

Many contemporary historians view the drafting of the Magna Carta not as a soaring triumph of ideological liberty, but rather as a profoundly ______ compromise....

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Reading and Writing Hard (800)

The discovery of the Burgess Shale fossils in the Canadian Rockies radically altered our understanding of the Cambrian explosion. The pristine shale preserves t...

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Reading and Writing Hard (800)

Text 1 Some translation theorists suggest that the translation of ancient texts should prioritize strict literal fidelity. To smooth over the idiosyncratic synt...

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Reading and Writing Hard (800)

A biologist hypothesizes that the reintroduction of apex predators regulates the population of large herbivores, which in turn relieves overgrazing pressure on ...

Question #645 Solve & Check Answer →
Math Hard (800)

The polynomial \( P(x) = x^4 - 2x^3 + kx^2 - 4x + 8 \), where \( k \) is a constant, is perfectly divisible by the polynomial \( x^2 + 2 \). What is the value o...

Question #646 Solve & Check Answer →
Math Hard (800)

A rhombus is drawn in the \( xy \)-plane. The lengths of its two diagonals are 10 and 24. A circle is inscribed perfectly within the rhombus, such that it is ta...

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Math Hard (800)

How many distinct real solutions does the following equation have? \[ \frac{x}{x-4} - \frac{4}{x+4} = \frac{32}{x^2-16} \]...

Question #648 Solve & Check Answer →
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