Math assessment

1. For the quadratic function f(x) = −3x² + 12x − 5, what is the maximum value of f(x)?

• -5

• 0

• 7

• 3

The quadratic function f(x) =2x² + 8x + 6 has its vertex at

• ( -2 , 6 )

• ( -2 , -2 )

• ( -4 , 6 )

• ( -4 , -6 )

What is the y-intercept of the quadratic function f(x)=3x² − 6x + 9 ?

• 3

• -9

• 6

• 9

For the quadratic function f(x) = −x² + 4x +5 , what is the direction of the parabola?

• Downward

• Upward

• Right

• Left

What is the axis of symmetry for the quadratic function f(x)=x² + 6x + 8 ?

• 6

• 3

• -3

• -6

For the quadratic function f(x)=2x² − 4x + 1 , what is the value of the coefficient b ?

• -4

• 1

• 2

• 4

What is the standard form of a quadratic function?

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