20 questions
What is the standard form of a quadratic equation?
y=x²
y=ax²+bx+c
y=mx+b
y=x
Given the equation y = 3(x + 5)2 - 4,
what is the vertex of the parabola?
(5, -4)
(-5, -4)
(-15, -4)
(15, -4)
Given the equation: y = -(x - 4)2 - 3,
does this parabola have a maximum or minimum value?
Maximum
Minimum
The axis of symmetry line passes through which point?
y-intercept
any random point
vertex
symmetrical point for the vertex
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
If y = 3(x + 5)2 - 4, what is the vertex of the parabola?
(5, -4)
(-5, -4)
(-15, -4)
(15, -4)
A parabola has a vertex at (-3,2).
Where is the axis of symmetry?
y = -2
x = 3
x = -3
y = 2
What causes the graph of y = x2 to open downward?
multiply the x2 by a fraction
multiply the x2 by a decimal
multiply the x2 by a negative number
multiply the x2 by a number greater than 1
What piece of information does c identify in the following equation?
y = ax2 + bx + c
Zeroes
Axis of Symmetry
Direction
y-intercept
What is the axis of symmetry for the equation: y = ½(x - 4)² - 4?
y = 4
y = - 4
x = 4
x = - 4
Which of the following is true for y = -2(x - 1)² + 5 ?
Opens up with a minimum
Opens down with a maximum
Opens left
Opens right
Find the axis of symmetry for
f(x) = x2- 4x + 5.
x = -2
x = 2
y = 2
y = -2
y= 2x +1
What is the vertex for y = x2 - 4x + 5 ? Write your answer as a coordinate (x, y)
What is the y - intercept?
What is the domain of the function?
All Real Numbers
-3 ≤ x ≤ 1
y ≥ 4
y ≤ 4
-3≤ y ≥ 1
What do we call the highest or lowest point of a parabola?
up
down