AP PreCalc Final Prep 2025

Front

If f(x) = 5x² - 7x - 10, find f(5) using synthetic division.

Back

f(5) = 80.

Front

What are the x-intercepts of the function f(x) = 5x² - 7x - 10?

Back

x = 4, x = -2.

Front

Solve for x: 3²⁶ = 3^(4x + 2)

Back

x = 6.

Front

What is sin(7π/6)?

Back

sin(7π/6) = -1/2.

Front

What is cos(4π/3)?

Back

cos(4π/3) = -1/2.

Front

Define synthetic division.

Back

A method for dividing a polynomial by a binomial of the form (x - c).

Front

What is the quadratic formula?

Back

x = (-b ± √(b² - 4ac)) / (2a).

Front

What is the relationship between the roots and coefficients of a polynomial?

Back

For a polynomial ax² + bx + c, the sum of the roots is -b/a and the product is c/a.

Front

Define the unit circle.

Back

A circle with a radius of 1 centered at the origin of the coordinate plane.

Front

What is the Pythagorean identity?

Back

sin²(θ) + cos²(θ) = 1.