Quadratic Formula
2x2+x-3=0
What is -3/2 and 1?
A matrix is arranged in _______ and _______.
What is rows and columns?
General Form is written out as
What is f(x)=ax2+bx+c ?
Factored Form is written out as
What is f(x)=a(x-r(1))(x-r(2)) ?
Vertex Form is written out as
What is f(x)=a(x-h)2+k
x2+50=-15x
What is -10 and -5?
Matrix B has _____ rows and _____ columns.
B= [[1, 4], [-5, 0], [2, -3]]
What is 3 rows and 2 columns?
The y-intercept of General Form
c-value
(r(1),0), (r(2),0)
Vertex for Vertex form
What is (h,k)
The Quadratic Formula
What is -b plus or minus the square root of b2-4ac all over 2a?
[[1, 4, 5], [6, -3, 2]]
+
[[4, 5, 1], [3, 1, 0]]
What is [[5, 9, 6], [9, -2, 2]] ?
Axis of symmetry of general form
x=-b/2a
Axis of symmetry for factored form
What is x=r(1)+r(2)/2
Axis of symmetry for vertex form
What is x=h?
w2+5w-32=2w-4
What is -7 and 4?
A matrix is a _________ _________ of numbers.
What is a rectangle arrangement?
Vertex of general form
What is -b/2a to determine the x-coordinate of the vertex. Then substitute that value into the equation and solve for y.
Vertex of factored form
What is x=r(1)+r(2)/2 to determine the x-coordinate of the vertex. Then substitute that value into the equation and solve for y.
Y-intercept for vertex form
What is substitute 0 for x, then solve for y.
x2+2x+2=0
What is -1 plus or minus i?
Also acceptable: -2 plus or minus square root of -4 all over 2 or -2 plus or minus i.
-1A
A= [[-1, 4, 5], [2, -7, 3]]
What is [[1, -4, -5], [-2, 7, -3]] ?
X-intercept of general form
What is substitute 0 for y then solve for x
Y-intercept of factored form
What is substitute 0 for x, then solve for y.
X-intercept for vertex form
What is substitute 0 for y then solve for x