Formulas
x= -b/ 2a
What is the Axis of symmetry?
What are the x intercepts of y = -(x+1)(x-4)
The x-intercepts are at (-1,0) and (4,0).
Does the graph of this equation open up or down? y = (x+2)(x-1)
Opens Up
What is the standard form?
y = (x-2)² + 6
y = x² - 4x + 10
Factor the following expression: x² + x -12
What is (x-3)(x+4)?
x= +-b √( b² - 4ac) /2a
What is the Quadratic Formula?
What is the vertex of y = -2(x-4)(x+6)
The vertex is at (-1,50).
Does the graph of this equation open up or down? y = -4(x-2)² + 2
Open Down
What is the standard form?
y = 3(x-3)² - 12
y = 3x² - 18x + 15
Factor the following expression: y = x² - 12x +35
What is (x-7)(x-5)?
y= ax² + bx + c
What is the Standard form of a quadratic equation?
What is the vertex of y = (x+5)² - 1
The vertex is at (-5,-1).
What is the standard form?
y = 4(x+1)(x+2)
y = 4x² + 12x + 8
Factor the following expression: x² + 6x + 9
What is (x+3)(x+3)?
y= a(x - h)² + k
What is the Vertex Form of a quadratic equation?
What is the vertex of y = (x-7)(x-1)
The vertex is at (4,-9).
What is the standard form?
y = 3(x-1)² + 5
y = 3x² - 6x +8
Factor the following expression: x² + 2x - 24
What is y=(x-4)(x+6)?
y= a(x - p)(x - q)
What is the intercept form of a quadratic equation?
What is the vertex of y = -4(x-3)²
The vertex is at (3,0).
Does the graph of this equation open up or down? y = -3(x+4)² - 2
Open down
What is the standard form?
y = 4/3(x-2)² - 5
y = 4/3x² - 16/3x + 1/3
Factor the following expression: x² + 21x + 98
What is (x+7)(x+14)?