Unit 5 Exam - Algebra 2

Front

Solve: -5|x - 4| > -20

Back

x < 8 and x > 0

Front

Calculate: (10+3i) - (2-9i)

Back

8+12i

Front

Find the domain of the relation: {(-5, 1), (0, 2), (2, 3)}

Back

[-5, 2 ]

Front

Is f(x) = x^2 - 6x + 9 a linear function?

Back

No

Front

Find the vertex of the quadratic: y = -2x^2 + 4x + 3

Back

(1, 5)

Front

What is the definition of a quadratic function?

Back

A polynomial function of degree 2, in the form f(x) = ax^2 + bx + c.

Front

What is the vertex form of a quadratic function?

Back

f(x) = a(x - h)^2 + k, where (h, k) is the vertex.

Front

How do you find the axis of symmetry for a quadratic function?

Back

x = -b/(2a), where f(x) = ax^2 + bx + c.

Front

What is the discriminant in a quadratic equation?

Back

The value of b^2 - 4ac, which determines the nature of the roots.

Front

What does it mean if the discriminant is positive?

Back

The quadratic equation has two distinct real roots.