Quadratic and Exponential Functions Quiz

What is the standard form of a quadratic function?

• y = ax^2 - bx + c

• y = ax^2 + bx + c

• y = ax + b

• y = a(x - h)^2 + k

Which of the following is a characteristic of a parabola?

• It has no symmetry.

• It is always a straight line.

• It can only open upwards.

• It has a maximum or minimum point.

What does the Quadratic Formula solve for?

• The roots of a quadratic equation

• The slope of a line

• The vertex of a parabola

• The area under a curve

In the context of quadratic functions, what does 'discriminant' refer to?

• The value under the square root in the Quadratic Formula

• The vertex of the parabola

• The maximum height of the parabola

• The axis of symmetry

What is the effect of a negative 'a' value in a quadratic function?

• The function has no real roots.

• The vertex moves to the right.

• The parabola opens upward.

• The parabola opens downward.

Which of the following applications uses exponential functions?

• Modeling population growth

• Calculating the area of a triangle

• Finding the roots of a quadratic equation

• Graphing linear functions

What is the purpose of completing the square in quadratic equations?

• To convert the equation into vertex form

• To find the x-intercepts

• To determine the slope

• To simplify the equation

Which of the following is NOT a method for solving quadratic equations?

• Graphing

• Completing the square

• Using the Pythagorean theorem

• Using the Quadratic Formula

What is the general equation for exponential growth?

• y = C(1 - r)t

• y = C(1 + r)t

• y = C(1 - r)^t

• y = C(1 + r)^t

Which of the following represents a geometric sequence?

• 2, 4, 8, 16

• 5, 10, 15, 20

• 10, 20, 30, 40

• 1, 3, 5, 7