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VOCABULARY
AXIS OF SYMMETRY
VERTEX
SOLVE QUADRATICS BY FACTORING
MISCELLANEOUS
100
The u-shaped graph shown by a quadratic.
What is a PARABOLA?
100
This is the formula for the axis of symmetry.
What is x = -b/2a ?
100

The vertex of y = -3(x-2)2 +5.

What is (2, 5)?

100
The roots of f(x)= x^2 - 4x - 21 are these numbers.
What are -3 and 7?
100

How do you find the y-intercept?

What is plugging in x=0?

200

The line that passes through the vertex and divides a parabola into two equal halves.

What is the AXIS OF SYMMETRY?

200

This axis of symmetry always passes through the ______.

What is the vertex?

200
y = 4x^2 + 7 has its vertex at this point
What is (0,7)?
200
These are the solutions to the equation x^2 - 25 = 0.
What are -5 and 5?
200

If 0<a<1, then it is a vertical _________.

What is compression?

300

The lowest or highest point of a parabola.

What is the VERTEX?

300
This is the axis of symmetry for y=3x^2+6x-2
What is x = -1?
300

The vertex of the quadratic parent function is (___, ___).

What is (0,0)?

300
Solve: x^2 + 8x + 16 = 0.
What is -4?
300

Identify all transformations of f(x)=-3(x+2)^2-5.

What is open down, vertical stretch by 3, left 2, down 5.

400
These are three names for the place or places a parabola crosses the x-axis.
What are x-intercepts, roots and zeros?
400
This is the axis of symmetry for y = -4x^2 + 3.
What is 0?
400

The vertex of y = -4x^2 + 3 is this.

What is (0,3)?

400
The zeros of 2x^2 + 4x - 6 = 0 are these.
What are 1 and -3?
400

Find the discriminant of f(x)=3x^2-2x+5 and determine the number of real solutions. 

What is -56, no real solutions?

500
This is the standard form of a quadratic equation.
What is ax^2 + bx + c = 0 ?
500
This is the axis of symmetry for y = -2x^2 + 8x + 12.
What is x = 2?
500

This point is the vertex of y = -3x^2 + 18x - 13.

What is (3,14)?

500
Solve: x^2 + 4x = 0
What are -4 and 0?
500

Find the zeros of the function f(x)=2x^2+3x-20 by using the quadratic formula.

What is 2.5 and -4?