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Square root

completing the square examples

Subject: 
Algebra
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Mathematics
Elementary algebra
Completing the square
Equation solving
Square root

Ex 2: f(x)= 7x2 +28x+56 o X1-F4(tsl' - - ? 510 71-J 2 +q)c -- (9'' H 84- x L +Lfx+ i F-4 = F( T *?g J?Z t r?q - = )C+z H Fx ?2? j Section 4-5: Solving with Completing the Square The Process 1) Set equation 0 2) Shove the constants to the other side 3) Get the Leading Coefficient to be 1 4) Complete the Square. Then add that value to both sides. 5) Take the square root of both sides and solve for x. For Examples 1-5 Find the solutions to the quadratic. Ex 1: f(x) = 3x2 + 42x + 24 0 3tL) 4- 2 ( - _ +r~ X Ex 3: g(x)=6x2 +6x+12 0 ('x 2. +LocW - xt / \ 1.- 2. - :+? - 9 '4 ( / X OL 0 Section 4-5: Solving with Completing the Square Ex4:y=x2 +7x+2 Ex5:f(x)=3x2 -12x+l O3x/yl

square roots and imaginary numbers

Subject: 
Algebra
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Mathematics
Elementary algebra
Equations
Algebra
Quadratic equation
Complex number
Quadratic
Square root
Nth root
Imaginary number
Imaginary unit
Number

?6= ?2 b) 25 c) 7(x-4)2 ?18=10 tt fS )c 100 - f(TI1)jii Solving Quadratic Equations by Finding Square Roots Objective: To solve quadratic equations with real solutions. If R2=S, then Risa (00+ of S. A positive number S has 2 square roots written as ( and . ?O Properties: Product Property: V'-a- Quotient Property:Tb Simplify the expression (radical) a) b) c) id * 1-5 Rationalize Denominators of fractions 1 1 5D re: a, / 1,0 a) J ~S? I- b) 2 rOL - I Steps to solving quadratic equations: Step 1: Write the original equation - V+3f 1:-- ?4 } d) I? '- V64 '4L.f Form of the denominator Multiply numerator and denominator by: (multiply the _by_ _conjugate) puC 3 - j --3)-2 i_i0 (7+) ?- F (p

Calculator Help Directory

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Algebra
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Mathematics
Office equipment
Logarithms
Mathematical notation
Equipment
Programmable calculators
Calculator
Software calculator
Natural logarithm
Square root
Scientific calculator
Are you on of those people who constantly forgets calculator button meanings... I know I am T_T.... It's sooo lame.... Se here's some help. I'll try to make this a directory of every calculator related thing. Just hit control F or scroll down to find what you are looking for. I'll try to keep it updated =) ____________________________________________________________________ Modes = Press mode then relevant number depending on what operating mode you wish to use(stats mode is usually one of the options) Or Press Stat button on calculator to operate the calculator in statistics mode Off = Turns off the calculator in any functional mode ON = Swithces on the calculator C = cancel all input into the calculator CE = cancel last entry into calculator
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