QUADRATIC FUNCTION

What is the standard form of quadratic function?

• f(x) = ax² + bx + c

• f(x) = a(x - h)² + k

• f(x) = (x - h)(x - h)

• f(x) = (ax + c)(bx + d)

Which of the following model's a real-life situation using quadratic function?

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It is the graph of quadratic function.

• Straight line

• Zigzag

• Parabola

• Oval

Which of the following graphs does NOT represent quadratic function?

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What is the value of the coefficient "a" when the graph of quadratic function opens upward?

• a > 0

• a < 0

• a = 0

• a ≠ 0

It is a vertical line that passes through the vertex that divides the graph into two equal parts?

• Roots

• Parabola

• Vertex

• Axis of Symmetry

An equation of a quadratic function with no linear term and a constant.

• f(x) = ax²

• f(x) = ax² + c

• f(x) = ax² + bx

• f(x) = ax² + bx + c

An equation of a quadratic function when the value of k is zero.

• f(x) = 9x²

• f(x) = 9x² + 11

• f(x) = 9(x - 10)²

• f(x) = 9(x - 10)² + 11

Which of the following is NOT part of the group?

• f(x) = x² (6x + 7)

• f(x) = (x + 2)(3x² + 4)

• f(x) = (x - 5)(x² - 5)

• f(x) = 9(x - 10)² + 11

Which of the following statements represents quadratic function?

• Equation with negative exponents.

• Equation with radical expressions.

• Equation in which the degree is not 2.

• Equation that can be transformed to a quadratic equation.