Algebra Linear and Quadratic

A function in the form f(x) = ax² + bx + c, where a, b, and c are numbers with a not equal to zero.

• Linear function

• Exponential function

• Quadratic function

• Polynomial function

The coefficient of the first term of a polynomial when written in descending order of exponents

• leading coefficient

• maximum

• minimum

• vertex

the shape of the graph of a quadratic function

• vertex

• parabola

• line

• y-intercept

a parabola's turning point

• slope

• vertex

• leading coefficient

• quadratic

A turning point where the function was decreasing (going down) and changes to increasing (going up)

• maximum

• minimum

• vertex

• domain

A turning point where the function was increasing (going up) and changes to decreasing (going down)

• maximum

• minimum

• vertex

• domain

The set of input (x) values

• domain

• range

• vertex

• parabola

The set of output (y) values

• domain

• range

• vertex

• parabola

Which is an equation for line ℓ in the accompanying diagram?

• y=2x+2

• y=2x-4

• y=-2x-4

• y=-2x+2

Which diagram represents the graph of the equation y = 2x-1 ?

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