Chapter 3 Review

Which of the following equations matches standard form of a quadratic?

• ax + by = c
• y = a(x - h)² + k
• y = ax² + bx + c
• y = mx + b

What is the vertex of y=x²+4x+3?

• (2,1)
• (-2,1)
• (0,0)
• (-2,-1)

The axis of symmetry line passes through which point?

• y-intercept
• any random point
• vertex
• symmetrical point for the vertex

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

• y = -2
• x = 3
• x = -3
• y = 2

What is the y-intercept of the following equation?
y=x²-3x-4

• y=1
• y=-4
• y=3
• y=-3

Does the equation open up or down? 
Y = -3x² +7x - 2

• up
• down

What is the axis of symmetry?
f(x) = x² - 8x + 15.

• x = -4
• x = 4
• y = 4
• y = -4

Which equation has a vertex of (-3, 4)?

• y = 2(x+3)² + 4
• y = (x+3)² - 4
• y = (x-3)² + 4
• y = 2(x - 3)² + 4

In vertex form, what effect does the k have on the graph?

• Translates Up/Down
• Translates Left/Right
• Narrows/Widens Parabola
• Flips it

In vertex form, what effect does the h have on the graph?

• Translates Up/Down
• Translates Left/Right
• Narrows/Widens Parabola
• Flips it