Quadratics
What does "i" equal?
Square root of -1
Factor the following
x2 + 4x + 4
(x+4) (x+4)
What does PEMDAS Stand for
Parenthesis, exponent, division, addition, subtraction
Domain covers all ____ values of a graph
x-values
What mode does your calculator have to be in before using Trig Ratios for right triangles?
degree mode
What does "i" squared equal?
-1
Factor the following
x2 + 5x + 6
(x+3) (x+5)
What does FOIL Stand for?
First, outer, inner, last
Range covers all ____ values of a graph
y-values
What are the three general trig functions? (Must say name correctly)
Sine, Cosine, Tangent
When using "Complete the square" what do we add to both sides?
(b/2)^2
x2 - 15x + 50
(x-10)(x-5)
What is the equation for standard form?
ax2 + bx + c = y
If the "a" value of the equation a(x-h)2+k is negative, what kind of transformation happens?
reflection over x-axis
What are the three inverse trig functions? (Must say name correctly)
arcsine, arccosine, arctangent
How many answers does the quadratic formula produce?
2 (+ or -)
Factor the following
x2 + 4x - 12
(x+6)(x-2)
What is the equation for vertex form?
a(x-h)2+k
What does a bracket [] indicate when stating domain and range
it includes that point
Name ONE equation from SOH CAH TOA
sine(angle) = Opposite/hypotenuse
cosine(angle) = adjacent/hypotenuse
tangent(angle) = opposite/adjacent
What is the simplified radical of square root of 12?
2 square root of 3
Factor the following
x2 - 25x + 100
(x-5)(x-20)
What is the first step in solving equations for zeros?
Write (x___) ( x____)
end behaviors of a ______ are always going to be
x--> +infinity
y---> -infinity
parabola
Name one equation from S-1OH C-1AH T-1OA
Sin-1 (opposite/hypotenuse) = angle
Cos-1 (adjacent/hypotenuse) = angle
Tan-1 (opposite/adjacent) = angle