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The Basics
Axis of Symmetry
Vertex
Factors
Vocabulary
100
The first step in graphing the equation 2x
2
+ 6x - 9 is to write this.
What is a=2, b=6 and c=-9?
100
This is the formula used to find the axis of symmetry.
What is -b/2a?
100
Describe the process for finding the vertex.
What is find the axis of symmetry and put it in for "x" in the equation?
100
Factor x
2
+ 3x + 2.
What is (x + 1)(x + 2)?
100
This is a u-shaped graph of a quadratic equation.
What is a parabola?
200
The direction y = -1/2x
2
+ 7x - 3 opens is this.
What is down?
200
This is the axis of symmetry for the parent function.
What is x = 0 (or the y-axis)?
200
This is the vertex of the parent function?
What is (0, 0)
200
Factor 2x
2
+ 4x
What is 2x(x + 2)?
200
The line of reflection of a parabola is known as this.
What is the axis of symmetry?
300
This is how y = -3x
2
+ 6x - 14 is shaped compared to the parent function.
What is narrower?
300
The equation for axis of symmetry for y = 5x
2
+ 10x - 4 is this.
What is x = -1?
300
Find the vertex of y = x
2
+ 4x - 3.
What is (-2, -7)?
300
Factor x
2
+2x - 35
What is (x + 7)(x - 5)?
300
The only point where a parabola intersects its axis of symmetry is known as this.
What is the vertex?
400
This is the y-intercept of the equation y = 3x
2
+ 9x - 15.
What is (0, -15)?
400
The axis of symmetry for y = -2x
2
+ 9x - 5 is represented by this line.
What is x = 9/4?
400
Find the vertex of y = -3x
2
-12x + 5.
What is (-2, 17)
400
Solve 3x
2
+ 5x - 12 = 0
What is x = 4/3 or x = -3?
400
The vertex of a parabola that opens down is known as this.
What is its maximum?
500
The x-intercepts of y = x
2
+ 5x + 4 are these points.
What are (-4, 0) and (-1, 0)?
500
The axis of symmetry for y = -1/4x
2
- 6x + 7 is represented by this equation.
What is x = -12?
500
List the point for the vertex of y = -6x
2
- 7.
What is (0, -7)?
500
Solve 6x
2
- 2x - 4.
What is x = 1 or x =-2/3?
500
If an ordered pair works in an equation, it is known as this.
What is a solution?