cba 7 review parabola

.How many zeros does this parabola have? 

• 3
• 2
• 0
• 1

What is the name of this form:
y = ax² + bx + c

• vertex form
• standard form
• factored form
• zero form

What is the formula for this quadratic equation?

• y = 2(x - 2)² + 5

• y = -(x + 2)² + 4

• y = -(x - 2)² + 4

• y = (x + 2)² + 4

What is the equation of the parent function?

• y = x² + 1

• y = - x² + 1

• y = x²

• y = - x²

What is the y-intercept of this parabola?

• (−1, 3)
• (−3, 11)
• (−2, 5)
• (0, 5)

What is the range of this function?

• -4 ≤ y ≤ 5
• -1 ≤ x ≤ 3
• All Real Numbers
• y ≥ -4

1)What is the axis of symmetry of the equation

y=4x²-16x +5?

• x = -2

• y = -2

• x=2

• x = 4

What are the roots for this quadratic equation?

• (0,0)

• (0,0) and (0,4)

• (0,0) and (4,0)

• (0,0) and (-4,0)

What is the equation of this graph?

• f(x) = (x -5)² + 1
• f(x) = (x - 1)² - 5
• f(x) = (x + 1)² - 5
• f(x) = (x + 5)² +1

Identify the vertex and whether the graph opens up or down.

• (5, 2); opens up
• (5, 2); opens down
• (-5, 2); opens up
• (-5, 2); opens down