Quadratic Graphs
The degree of a quadratic function
What is 2?
The value of "a" for a graph of a quadratic function opening downward.
What is negative?
The vertex for y = x2 - 7 + 4x is ________.
What is (-2,-11)?
The vertex form for y = x2 + 4x - 7 is ________.
What is y = (x+2)2 -11?
Factor and solve: 0=x2 + 4x - 12
What is 0=(x-2)(x+6) and x=2 or x=-6?
The shape of the graph of a quadratic function.
What is a parabola?
The vertex of the quadratic function y = 5x2 + 10x - 2 is a...maximum or minimum... (choose one)
What is minimum?
The vertex of f(x)=3x2-1 would be _________.
What is (0,-1) ?
The vertex form of f(x)=x2+2x-1 would be _________.
What is f(x)= (x+1)2-2 ?
Solve
120=sqrt(60x^4)
What is
x=2sqrt(15)
The name of the line that divides a quadratic function exactly in half.
What is the axis of symmetry?
Order the following quadratic functions from narrowest to widest:
y=4x2 y=-12x2 y=11x2 y=-2x2
What is y=-12x2, y=11x2, y=4x2, y=-2x2?
For y=ax2+bx+c, the vertex would be _________.
What is x = (-b/2a , f( -b/2a ) ) ?
The vertex form for the quadratic function y = x2 - 8x +7
What is y=(x-4)2-9 ?
Solve 1=(6x-3)2x5
What is 36=x ?
The point on a quadratic function that will be the maximum or minimum of the function.
What is the vertex?
Order the following quadratic functions from widest to narrowest:
y=4x2 y=2/3 x2 y=-2x2 y=-2/5 x2
What is y=-2/5 x2, y=2/3 x2, y=-2x2, y=4x2
Find the vertex for y = x2 + 10x + 6
What is ( -5, -19?
Find the vertex form for y = x2 + 10x + 6
What is y = (x+5)2-19?
Factor and solve:0=6x2 + 7x - 3
What is 0=(3x-1)(2x+3) and x=1/3 or x=-3/2?
The domain of the quadratic function y=x2
What is (-∞, ∞)?
The ordered pairs for the quadratic graph y = 5x2 given the following set of input values or x-values: {-2, -1, 0, 1, 2}.
What is (-2,20) (-1,5) (0,0) (1,5) (2,20)?
The vertex for the quadratic function y=x2 - 4x + 8 is ______.
What is (2,4)?
The vertex form for the quadratic function y=x2 - 4x + 8 is ______.
What is (x-2)2+4 ?
Solve: 5x2-8x-4=0
What is x=2 or x=-2/5 ?