Pretest Quadratics

What is the vertex of the quadratic function:
y = x² - 6x + 11?

• (3,2)
• (-3,-2)
• (-3,2)
• (3,-2)

Does
y = -4x²
have a maximum or minimum value?

• maximum
• minimum

Tags

CCSS.HSF-IF.C.7A

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 

Tags

CCSS.HSF-IF.C.7A

Does the equation have a max or min?
y = 2x² + 7x + 5

• max
• min

Tags

CCSS.HSF-IF.C.7A

Determine the vertex of the parabola:
y = 5x² - 20x + 13

• (5, -7)
• (-2, -7)
• (2, -7)
• (-7, -2)

What is the axis of symmetry for the following equation?
y=4x²-8x+9

• x=-8
• x=1
• x=-1
• x=2

Find the axis of symmetry for
f(x) = x²- 8x + 15.

• x = -4
• x = 4
• y = 4
• y = -4

• A
• B
• C
• D

Tags

CCSS.HSA-REI.B.4B

Determine the value of the discriminant and name the nature of the solution for the following:
x² + 2x - 63
Remember:  b² - 4ac

• 256 - 2 reals - Rational
• √(-256 - 2 imaginary solutions
• √(137) - 2 reals - Irrational
• 123 - 2 reals - Rational

Tags

CCSS.HSA-REI.B.4B

What are the zeros of the function, f(x) = x² - 5x - 6?

• {-2, 3}

• {-3, -2}

• {-6, 1}

• {-1, 6}

Tags

CCSS.HSA-SSE.B.3B

CCSS.HSF-IF.C.8A