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Math 2 Honors Final

Terms and Formulas

Vertex from Standard Form X=-b/2a Y=f(-b/2a)
Vertex from Vertex form (h,k). Take opposite of H
Discriminant b2-4ac
Factoring Multiply AC. Find factors that add up to B. Then simplify and group
Imaginary Numbers Negative under the radical, take out i
Quadratic Formula NegativeB plus-minus Sqaure Root of Bsquared minus 4AC/2a
Multiplying Polynomials FOIL everything then add
Simplifying Exponents Anything to 0 power=1 Anything with a negative exponent=1/#t to that power
Adding Polynomials Add like terms. Put into Standard Form
Subtracting Polynomials Distribute -1. Add like terms. Put into Standard Form
Angle Problems Corresponding Angles Theorem (and converse) Alternate Interior Angles Theorem (and converse) Same Side Interior Angles Postulate (and converse)
Isosceles Triangle Exterior Angle Theorem(Exterior=Two other angles added) Base angles =
Similar Figures Sides and angles are proportional
Dialations image/preimage=scale factor compare every side
30-60-90 Triangle X=short leg 2x=hypotenuse Xrad3= long leg
45-45-90 X=legs Xrad2=hypotenuse
Pythagorean Theorem a2 +b2= c2
SOHCAHTOA Sine=opposite/hypotenuse Cosine=adjacent/hypotenuse Tangent=opposite/adjacent
Circumference and Area C=piD A-=piR2
Arc Length m/360 x 2piR
Sector Area m/360 x piR2
Radians m/360 x 2pi
Area on Coordinate Plane Find Base and Height. Plug into formula
Perimeter on Coordinate Plane Distance formula on all. Add
Distance Formula Square root of (x1-x2) + (y1-y2)
Dividing a Segment Find fraction. Find slope, make sure B is x2,y2. Multiply rise and run by fraction. Add to the points of A
Volume Rectangluar Prism=lwh Cube=s3 Cylinder=piR2 x h Pyramid=1/3 x bh Cone=1/3 x piR2 x h Sphere= 4/3 piR3
Factorial That number times every number before
Conditional Probability probability A occurs given that B already did
Permutation n!/(n-r)!
Combination n!/r!(n-r)!
Independent Events Multiply to find probability Outcome of one doesn't affect another
Created by: Alex_Hayes