Precalculus Homework Help: Answers & Questions Page 3

• How do you graph ##ln(abs(x))##?

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• How do you solve using gaussian elimination or gauss-jordan elimination, ##x + y + z = 0##, ##2x - y + z = 1## and ##x + y - 2z = 2##?

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• What is the factorial of 10?

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• What do ##a## and ##b## represent in the standard form of the equation for an ellipse?

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• How do I use DeMoivre's theorem to solve ##z^3-1=0##?

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• How do I convert the polar equation ##r=10 sin theta## to its Cartesian equivalent?

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• What is the informal definition of a limit?

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• How would you graph ##y = ln(x^2) ## without a calculator?

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• How do you find the equation of a parabola with vertex at the origin and directrix x=-2?

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• How do you calculate ##antilog 0.3010 ##?

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• How do you solve ##ln(x^2)=16##?

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• How do you graph ##x^2+y^2-8x+6y+16=0##?

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• How do you find the horizontal asymptote for ##f(x)= (3e^(x))/(2-2e^(x))##?

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• What is the missing number in the pattern ##1, 3, 9,## __ ##, 81##?

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• The order of magnitude of the mass of Earth's atmosphere is ##10^18## kilograms. The order of magnitude of the mass of Earth's oceans is ##10^3## times greater. What is the order of magnitude of the mass of Earth's oceans?

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• How do you find the area of a regular octagon inscribed in a circle whose equation is given by (x-2)² + (y+3)² = 25?

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• How do I factor using the zero factor property?

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• How do I solve ##y=-3/(4x-2)## on a graphing calculator?

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• If the diameter of a circle is 12 inches, what is the area, circumference and the radius?

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• What is the standard equation of a circle with center ##(-2, 0)## and radius ##4##?

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• How do you find the vertex of the parabola ##y=2x^2-8x+7##?

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• What is an inequality?

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• How do you find the equation of the plane in xyz-space through the point ##p=(4, 5, 4)## and perpendicular to the vector ##n=(-5, -3, -4)##?

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• What is the standard form of the equation of a circle with endpoints of a diameter at the points (7,8) and (-5,6)?

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• What is the equation of circle with center at (0,0) and radius of 7?

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• How do I find the foci of an ellipse if its equation is ##x^2/36+y^2/64=1##?

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• What is the determinant of a matrix to a power?

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• What is a joule?

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• How do I do synthetic division with imaginary numbers?

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• How do you find the roots of ##12x^3+31x^2-17x-6=0##?

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• How do you solve ##2log(2x) = 1 + loga##?

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• What is the difference between (fo(goh)(x) and ((fog)oh)(x)?

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• Can average rate of change be negative?

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• How do you divide ##(3x ^ { 2} + 7x + 4) \div ( x + 1)##?

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• What is the recursive rule for the sequence 10, 18, 26, 34....?

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• What does ##y = mx + b## mean?

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• How do you solve ##log x + log 5 = 2##?

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• What is the cube root of ##(sqrt3 -i)##?

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• How do you use the Change of Base Formula and a calculator to evaluate the logarithm ##log_e (x^2+1)##?

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• How do you write ##log_4 64 = 3## in exponential form?

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• How do you find the slant asymptote of ##y=sqrt(x^2+4x) ##?

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• What is the final step of completing a solve by substitution problem?

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• What is ##log(5*8)## equal to?

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• How do you use the leading coefficient test to determine the end behavior of the polynomial function ##f(x)= -5(x2+1)(x-2)##?

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• What is a logarithm?

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• How do you get the complex cube root of 8?

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• Define radical conjugate?

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• How can synthetic division be used to factor a polynomial?

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• What is the common difference of 1, 2, 4, 8, 16,...?

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• How do you evaluate ##log (1/100)##?

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