WorksheetsUnderstanding Parabolas
Total questions: 1
Worksheet time: 16mins
1-10.
Answer the questions below after watching the video
What shape does a quadratic equation represent when graphed?
A straight line
A U-shaped curve
An oval
A circle
If the coefficient of x^2 (a) is positive, in which direction does the parabola open?
To the left
To the right
Downwards
Upwards
For the equation x^2 + 2x + 5, what is the direction of the parabola?
Downwards
Upwards
To the left
To the right
If a parabola's equation is -x^2 + 3x + 7, what is the direction of the opening?
To the right
Upwards
Downwards
To the left
What is the formula for the axis of symmetry of a parabola?
x = a / b
x = b / 2a
x = -a / b
x = -b / 2a
How is the vertex of a parabola defined?
The highest point on the graph
The point where the graph intersects the y-axis
The lowest or highest point on the graph
The point where the graph intersects the x-axis
What does the vertex represent when it is the highest point on the graph?
Minimum
Maximum
Root of the equation
Axis of symmetry
What is the axis of symmetry for the equation x^2 + 8x + 15?
x = -8
x = 4
x = 8
x = -4
What is the axis of symmetry for the equation x^2 - 4x + 4?
x = 2
x = -2
x = -4
x = 4
For the equation x^2 - 10x + 25, what is the vertex?
(0, 5)
(-5, 0)
(5, -25)
(5, 0)
