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VOCABULARY
Quadratic Formula
VERTEX, Axis of Symmetry
SOLVE QUADRATICS BY FACTORING
Vertex Form Eq
100
The u-shaped graph shown by a quadratic.
What is a PARABOLA?
100

This is the formula for determining the x coordinate of the vertex.

What is x = -b/2a ?

100
The vertex of y = 2x^2 + 16x - 1 is this ordered pair.
What is (-4,-33)?
100
The roots of f(x)= x^2 - 4x - 21 are these numbers.
What are -3 and 7?
100

What is the vertex for y = 2(x + 4)^2 - 6

(-4, -6)

200
The line that passes through the vertex and divides a parabola into two symmetric parts.
What is the AXIS OF SYMMETRY?
200

What are the zeros for

y = 2x^2 + 8x – 5.

What is  (-4 + sqrt(26))/2 and (-4 - sqrt(26))/2?

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

What are the coordinates of the y intercept for

y = 3(x - 2)^2 + 6

What is (0, 18)?

300

The lowest or highest point on a parabola.

What is the VERTEX?

300

What are the zeros for 

y = x^2 - 8x + 5

4 + sqrt(11) and 4 - sqrt(11)

300

This is the axis of symmetry for 

y=3x^2+6x-2

What is x = -1?

300

Solve: x^2 + 8x + 16 = 0.

What is -4?

300

What are the coordinates of the zeros  for 

y = -2(x + 1)^2 +8

What is (1, 0) and (-3, 0)?

400
These are three names for the place or places a parabola crosses the x-axis.
What are x-intercepts, roots and zeros?
400

How many real zeros does  

y = -4x^2 - 3 have?

What is 0?

400
This point is the vertex of y = -3x^2 + 18x - 13.
What is (3,14)?
400

The zeros of y = 2x^2 + 4x - 6  are these.

What are 1 and -3?

400

What is the equation of the axis of symmetry for 

y = -3(x - 4)^2 +6?

What is x = 4?

500

This is the standard form of a quadratic equation.

What is ax^2 + bx + c = 0 ?

500

What is the value of the discriminant for 

y = 3x^2 - 4x + 3

What is -20

500

This is the axis of symmetry for 

y = -2x^2 + 8x + 12.

What is x = 2?

500

Solve: x^2 + 4x = 0

What are -4 and 0?

500

What are the coordinates of the point when the y intercept is reflected over the axis of symmetry for

y = 2(x + 3)^2 - 6?

What is (6, 12)?