What number completes the square?
y=x2+7x+____ Put your answer in fraction form.
49/4
The vertex of: y = (x+1)2 + 2
What is (-1,2) ?
The equation for finding the x value of the vertex of a quadratic equation that is given in standard form.
What is: -b/2a
The vertical line that cuts through the center of a parabola.
What is the axis of symmetry?
Convert to vertex form: f(x) = x2 + 4x - 1
f(x) = (x + 2)2 - 5
What is the axis of symmetry if the roots are (20,0) and (80,0).
50
The vertex of: y = (x+3)2
What is (-3, 0)
The leading coefficient being negative means
There is a reflection across the x-axis
What is the parent quadratic function?
Y=x2
Convert to standard form f(x) = (x+4)(x-5)
f(x) = x2-x-20
Write a quadratic function in standard form to model the area of the painting. Hint: Multiply the height by the width.
f(x) = 2x2 + 13x + 20
Give the formula for vertex form
What is f(x) = a(x-h)2 + k
The axis of symmetry: y= -x2 + 2x + 1
What is x = 1
The graph of a quadratic function.
What is a parabola?
Convert to standard form: f(x) = -2(x - 1)2 - 7
f(x) = -2x2 + 4x - 9
Name the term that defines all of the possible x-values of a function
What is Domain
The transformations the graph: y = - 2 ( x+4 )2 - 1
Give the general form of standard form
What is f(x) = ax2 + bx + c
Name for the location where the parabola intersects the y-axis.
What is the y-intercept
Put in factored form. y=x2-x-30
y=(x-6)(x+5)
What is it called if the C value is equal to (b/2)^2
What is a Perfect Square Trinomial
Write the equation for a parabola that makes the following translations: opens downward, shifts right 5 units and shifts upwards 8 units.
What is y = - (x-5 )2 + 8 ?
The vertex of: y = 3x2 - 12x +4
What is (2, -8)
3 terms used to describe where a parabola crosses the x-axis.
What are: zeros, solutions, roots, and x-intercepts?
Factor = x2 - 11x + 24
y=(x-3)(x-8)