Trigonometry
Quadratics
100

What are the 3 mains trig functions?

Sine, Cosine, and Tangent

100

What is the quadratic formula?

x= (-b±√(b2-4ac))/2a

200

What is the sine of 53 degrees

 

sin53=11.98

200

Factor the following quadratic

x2+7x+10


(x+5)(x+2)

300
What is the tangent of 53

tan53=22.2

300

How many roots are there:

-9x2-6x-1=0

There is one solution

400

What is the cosine of 63

cos63=6.6

400

Change into vertex form:

y=4x2-20x+25

Vertex form:

y=4(x-2.5)2+0

500

What is sin-1.50

sin-1.50=.523

500

Find the following for 2x2-8x+6 using the quadratic formula

Axis of Symmetry, Vertex, Roots, Domain, Range

Axis of Symmetry: x=2

Vertex: Minimum (2,-2)

Roots: (1,0) (3,0)

Domain: All Real Numbers

Range:y≥-2 


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