A2CP - Semester 1 Review

Front

Factor: 3a^2 + 4a + 1

Back

(3a+1)(a+1)

Front

Simplify: (2 - 3i)(5 + 4i)

Back

22 - 7i

Front

What does the discriminant find?

Back

The number of solutions to a quadratic equation.

Front

What is i^2?

Back

-1

Front

Evaluate f(-2) if f(x) = x^2 + 3

Back

7

Front

What is the quadratic formula?

Back

x = (-b ± √(b² - 4ac)) / (2a)

Front

Define a complex number.

Back

A number in the form a + bi, where a and b are real numbers and i is the imaginary unit.

Front

What is the vertex of a parabola?

Back

The highest or lowest point on the graph of a quadratic function.

Front

How do you find the x-intercepts of a quadratic function?

Back

Set the function equal to zero and solve for x.

Front

What is the standard form of a quadratic equation?

Back

y = ax^2 + bx + c