Quadratic Definitions

What is the y-intercept of: y=7x²+2x -1

• (0, 1)

• (0, -1)

• (1, 0)

• (-1, 0)

For the Parabola:
y=x²+2x-3 state the axis of symmetry

• -3

• 1

• 3

• -1

For the Parabola:
y=x²-4x state the axis of symmetry

• 1

• -2

• 4

• 2

What are the x- intercepts?

• x= 0 and x= -4

• x= 0 and x= 4

• y= 0

• x= 2

a function where the highest exponent is a square

• Quadratic Function

• Squared Function

• Cubic Function

• Linear Function

An equation where the highest exponent of the variable is a square is called a _______function.

• Stable

• Quadratic

• Polynomial

• Explicit

Quadratic function

• a second-degree polynomial function that can be described by f(x) = ax² + bx + c, where a ≠ 0 and the graph of the function is always parabolic or U-shaped

• set of output values for the dependent variable over which the function is defined

• a second-degree polynomial expression that can be described by ax² + bx + c, where a ≠ 0

• function whose values are continuous or unbroken over the specified domain

a function with a squared variable

• Quadratic Formula

• Quadratic Function

• Quadratic Regression

• Axis of Symmetry

Match the following.

• The line that cuts the parabola in half

• Domain

• All possible input (x) values

• Vertex

• The shape of a quadratic graph

• Parabola

• The turning point of the parabola

• Range

• All possible output (y) values

• Axis of Symmetry

Which answer choice describes  y = -3x² +7x - 2 accurately?

• opens up with a maximum

• opens up with a minimum

• opens down with a maximum

• opens down with a minimum