Vocab
The highest or lowest point on a graph is called the
Maximum or minimum point.
The factored form of x2+8x+7 is
What is (x + 7)(x + 1)
The x-intercepts of (x-5)(x+3) are
(5,0) and (-3,0)
The y-intercept of f(x) = x2 + 8x +5 is
(0, 5)
The line of symmetry for the quadratic equation,
f(x)=(x+1)(x-3) is x=1. The vertex of the parabola is
(1, -4)
The point(s) where y=0 are called
What is the x-intercepts
The factored form of x2+x-90 is
What is (x + 10)(x - 9)
The x-intercepts of x2 + 4x + 3 are
(-1,0)(-3,0)
The y-intercept of f(x) = x2 - x- 56 is
(0, -56)
The vertex of the quadratic equation, f(x)=2(x+1)(x-3) is (1, -8). What is the line of symmetry?
x=1
A polynomial function of degree x2 is called a
Quadratic Function
The factored form of 5x2 + 31x + 6 is
(5x + 1)(x + 6)
The x-intercepts of x2 + 8x + 16 are
(-4,0)
The y-intercept of f(x) = (x + 8)(x+5)
(0,40)
The vertex of the quadratic equation,
f(x)=-3(x-2)(x+8) is
(-3, 75)
When a quadratic is in the form ax2+bx+c it is called
Standard Form
The factored form of 6x2 + 45x +81 is
3(x+3)(2x+9)
The x-intercepts of 6x2 - 22x + 12 are
(3,0) and (2/3, 0)
The y-intercept of -x(x-10) is
(0,0)
The line of symmetry and the vertex of the quadratic expression, f(x)=3(x+1)(x+7) is
x= -4
(-4, -27)
When a quadratic is in the form a(x + n)(x + m) it is called
Factored form
The factored form of -4x2 + 5x + 6 is
-(x-2)(4x+3)
The x-intercepts of -9x2 + 12x + 21
(-1,0) (7/3, 0)
The y-intercept of f(x) = 5(x-2)(x-7) is
(0,70)
The line of symmetry and the vertex of the quadratic expression, f(x)=x2-10x+16 is
x= 5
(5, -9)