Weekly Review 1/31/25

If given the equation
y = 3(x + 5)² - 4, what is the vertex of the parabola?

• (5, -4)
• (-5, -4)
• (-15, -4)
• (15, -4)

Find the vertex of

 $y=3\left(x-2\right)^2+3$  

•  $\left(2,3\right)$  

•  $\left(-2,3\right)$  

•  $\left(2,-3\right)$  

•  $\left(-2,-3\right)$  

Find the vertex of

 $y=-\frac{1}{2}\left(x+11\right)^2-4$  

•  $\left(-11,-4\right)$  

•  $\left(11,-4\right)$  

•  $\left(11,4\right)$  

•  $\left(-11,4\right)$  

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

• (-1, 4); opens up
• (-1, 4); opens down
• (1, 4); opens up
• (1, 4); opens down

A parabola has a vertex at (-3,2). Where is the axis of symmetry?

• y = -2
• x = 3
• x = -3
• y = 2

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

• maximum
• minimum

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 

Using the equation y = ax² + bx + c to represent a parabola on a graph, which statement is true?

• If b is negative, the parabola opens downward.

• If a is negative, the parabola opens upward.

• If a is positive, the parabola opens upward.

• If c is negative, the parabola opens downward.

What is the vertex of the graph?

• (2, 4)
• (3, -1)
• (0, 8)
• (4, 2)

A line about which a figure is symmetric is the ____ __ ________

• Solution Set
• Intercept Formula
• Quadratic Function
• Axis of Symmetry