Digital SAT Practice Questions
Access 772 official-caliber practice questions. Filter by subject or difficulty to pinpoint your cognitive blind spots.
How many real solutions does $2x^2 - 4x + 5 = 0$ possess?...
Find the value of the discriminant for $3x^2 - 5x - 2 = 0$....
For what value of $c$ does $x^2 - 10x + c = 0$ have exactly one real solution?...
If $2x^2 + 8x + c = 0$ has two distinct real solutions, which condition must $c$ satisfy?...
What are the solutions to the quadratic equation $x^2 - 7x + 12 = 0$?...
Solve the equation $2x^2 + 5x - 3 = 0$....
What is the sum of the solutions of $3x^2 + 12x - 7 = 0$?...
What is the product of the solutions of $5x^2 - 8x - 15 = 0$?...
If $x = -4$ is a solution to $x^2 + kx - 20 = 0$, what is the value of $k$?...
Which of the following quadratic equations has solutions $x = -2$ and $x = 5$?...
Solve the equation $x^2 = 6x - 9$....
The solutions to $x^2 - 4x + 1 = 0$ are given by which expression?...
Using the quadratic formula on $2x^2 + 2x - 1 = 0$, what are the solutions?...
If $(x - 3)^2 = 25$, what is the sum of the possible values of $x$?...
What are the roots of $4x^2 - 9 = 0$?...
If $x^2 + bx + 16 = 0$ has only one real solution and $b > 0$, what is $b$?...
Find the positive solution to $3x^2 - 27 = 0$....
If $x(x - 6) = -9$, what is the value of $x$?...
If $(2x + 1)^2 = 49$ and $x > 0$, what is $x$?...
What is the value of $a$ if $y = ax^2$ passes through the point $(3, 36)$?...
The graph of $y = x^2 - kx + 12$ has an axis of symmetry at $x = 4$. What is $k$?...
A projectile is launched with height $h(t) = -5t^2 + 20t + 25$. When does it hit the ground ($h(t) = 0$)?...
The profit $P(x) = -2x^2 + 40x - 50$ of a company is maximized at what production level $x$?...
What is the maximum profit in dollars for $P(x) = -2x^2 + 40x - 50$?...
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