Answers created by Lucio Falabella

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How do you solve $3 x^{2} + 5 x = 2$ $3x^2+5x=2$ by using the quadratic formula?
How do you solve $\frac{x + 7}{x - 3} > 0$ $(x+7)/(x-3)>0$ using a sign chart?
How do you find the number of complex zeros for the function $f (x) = 3 x^{3} + 2 x^{2} - x$ $f(x)=3x^3+2x^2-x$ ?
How do you use the limit definition of the derivative to find the derivative of $f (x) = - 3 x^{2} + 4$ $f(x)=-3x^2+4$ ?
What is the limit of ${(\frac{1 + 3 x}{2 + 4 x^{2} + 2 x^{4}})}^{3}$ $((1 + 3 x) / (2 + 4 x^2 + 2 x^4))^3$ as x approaches 1?
How do you solve $\frac{6}{x - 1} = \frac{9}{x + 1}$ $6/(x-1) = 9/(x+1)$ ?
How do you solve $\frac{3 x - 1}{x} \leq - 1$ $(3x-1)/x<=-1$ using a sign chart?
How do you solve $\frac{3}{2 x - 9} - 2 = \frac{5 x}{2 x - 9}$ $3/(2x-9)-2=(5x)/(2x-9)$ and check for extraneous solutions?
How do you solve $4 x + 2 = 2 (x - 2)$ $4x+2=2(x-2)$ ?
How do you solve $0 = - 2 x^{2} - 8 x + 9$ $0= -2x^2 -8x +9$ using the quadratic formula?
Question #bb651
How do you factor $3 u^{3} w^{4} - 3 u^{3}$ $3u^3w^4- 3u^3$ ?
How do you rationalize the denominator and simplify $\frac{\sqrt{12 x^{3}}}{\sqrt{7 y^{5}}}$ $sqrt(12x^3)/sqrt(7y^5)$ ?
How do you simplify $12 {\sqrt{- 2}}^{12}$ $12sqrt(-2)^12$ ?
Which interrogative pronoun should replace the blank space in the following sentence?: ____ was driving the car?
How do you solve $x^{2} - 49 = 0$ $x^2 - 49 = 0$ ?
How do you find the intercepts of $4 x - 3 y = 12$ $4x-3y=12$ ?
How do you simplify $\frac{\sqrt[3]{2}}{\sqrt[3]{6}}$ $root3 2/root3 6$ ?
What is karma all about?
What is $(1 - 3 \sqrt{7}) (4 - 3 \sqrt{7})$ $(1-3sqrt7)(4-3sqrt7)$ ?
How do you simplify $(- 3 i) (2 i)$ $(-3i)(2i)$ ?
Question #3069c
How do you factor $27 g^{3} + 343$ $27g^3 + 343$ ?
How do you find the slope and y intercept for $y + 4 = 2 x$ $y + 4 = 2x$ ?
What is the equation of the tangent line of $f (x) = \frac{x}{{(x - 2)}^{2}}$ $f(x) = x/(x-2)^2$ at $x = 4$ $x = 4$ ?
How do you solve $x - 2 y = 4$ $x-2y=4$ and $8 y + 24 x = 5$ $8y+24x=5$ using substitution?
How do you factor the expression $2 x^{4} + 16 x$ $2x^4 + 16x$ ?
How do you find the zeros, if any, of $y = 2 x^{2} - 12 x + 23$ $y= 2x^2 -12x+ 23$ using the quadratic formula?
How do you find the conjugate of $(7 A + 3 B - 4 i)$ $(7A + 3B - 4i)$ ?
How do you divide $\frac{5 - 8 i}{8 + 5 i}$ $(5-8i )/( 8+5i)$ ?
How do you solve $- 5 (2 x - 9) = 2 (x - 8) - 11$ $-5(2x-9)=2(x-8)-11$ ?
How would you simplify $\sqrt{\frac{7}{2}}$ $sqrt(7/2)$ ?
What are the absolute extrema of $f (x) = 5 x^{7} - 7 x^{5} - 5 \in [- \infty, \infty]$ $f(x)=5x^7 - 7x^5 - 5 in[-oo,oo]$ ?
How do you differentiate $f (x) = \frac{x}{4 x - 2}$ $f(x)= x/(4x-2)$ using the quotient rule?
How do you simplify $\frac{6 + i}{6 - i}$ $(6+i)/(6-i)$ ?
How do you differentiate $f (x) = (2 x + 1) {(2 x - 3)}^{3}$ $f(x)= (2x+1)(2x-3)^3$ using the product rule?
How do you know if $f (x) = x^{2} + sin x$ $f(x)=x^2+sin x$ is an even or odd function?
How do you simplify $(- 3 + i) (2 + 7 i)$ $(-3 + i)(2 + 7i)$ ?
How do you find the asymptotes for $f (x) = \frac{x^{2}}{x^{2} + 1}$ $f(x) = (x^2) / (x^2 + 1)$ ?
How do you find the compositions given $f (x) = \frac{1}{1 + x}$ $f(x) = 1/(1+x)$ and $g (x) = \sqrt{x + 2}$ $g(x) = sqrt(x+2)$ ?
How do I find the derivative of $f (x) = e^{2 x}$ $f(x)=e^(2x)$ ?
How do you differentiate $f (x) = \frac{1 - 4 x}{1 + 4 x}$ $f(x)=(1-4x)/(1+4x)$ using the quotient rule?
What is the second derivative of $\frac{1}{x^{2}}$ $1/x^2$ ?
How do you differentiate $y = x \sqrt{(4 - x^{2})}$ $y =x sqrt((4-x^2)$ using the chain rule?
If $f (x) = {sec}^{3} (\frac{x}{2})$ $f(x) =sec^3(x/2)$ and $g (x) = \sqrt{2 x - 1}$ $g(x) = sqrt(2x-1$ , what is $f'(g(x))$ ?
Question #32820
How do you solve $5x+2y=12$ and $-6x-2y=-14$ ?
How do you solve the following system?: $-2x+10y=-20 , 2x+3y=11$
Question #72d69
What is the domain and range of $y =1/sqrt(17x+8)$ ?
How do you solve $x + 80 = -19$ ?
How do you find the slope of (2,1) and (6,4)?
How do you find the derivative of $y = (1 + cos^2x) / (1 - cos^2x)$ ?
How do you find value of discriminant then describe number and type of solutions for $4x^2 - 4x +17 = 0$ ?
How do you simplify $8+2(3+5)^2$ ?
How do you solve the inequality $abs(3x-4)<20$ ?
How do you differentiate $f(x)=x^3-x^2+4x-1$ using the sum rule?
How do you differentiate $f(x)= 1/ (lnx)$ using the quotient rule?
What is the equation of the line normal to $f(x)=(x+1)^2$ at $x=-1$ ?
What is the second derivative of $f(x)= xe^(x^3)$ ?
How do you differentiate $f(x)=x/sqrt(3-xe^x)$ using the chain rule.?
What is the equation of the line tangent to $f(x)=cscx$ at $x=pi/2$ ?
How do you find the derivative of $-2- (1/(x^2)) + (4/(x^4))$ ?
How do you use the definition of a derivative to find the derivative of $f(x)= 1/(x-3)$ ?
How do you simplify $i^333$ ?
What is the domain and range of $f(x) = 5/(x-9)$ ?
Amira is solving the equation $x^2-6x = 1$ . Which value must be added to both sides of the equation to make the left side a perfect square trinomial?
How do you simplify $9/(7+i)$ ?
What is the electric current produced when a voltage of $8 V$ is applied to a circuit with a resistance of $16 Omega$ ?
How do you rewrite $y = 4(3)^(2x+2)$ in $y = a * b^x$ form?
How do you simplify $(1+2i)/(2-3i)$ ?
How do you know if $v(x) = 2 sin x cos x$ is an even or odd function?
How do you find the asymptotes for $y = log (x + 2)$ ?
How do you solve the inequality $162 > -3a(5+1)$ ?
How do you factor the expression $49y^2 + 112y + 64$ ?
How do you factor $125a^3-c^3$ ?
What is the equation of the line with slope $m= 13/17$ that passes through $(0,0)$ ?
How do you find the end behavior of $f(x)= (3x+1)/x$ ?
How do you find the horizontal asymptote for $f(x)= (3e^(x))/(2-2e^(x))$ ?
How do you find the compositions given $f(x)= sqrt(x-2)$ and $g(x)= x^2-1$ ?
How do you solve $Log x + log (x-48) = 2$ ?
How do you simplify $(s^-2t^-7u^98)/(s^23t^79u^-77 * s^0t^83u^-1$ ?
How do you solve $(3x-4) / 6 + 1/3 =( 3x) / 2$ ?
How do you differentiate $(ln(2x) )/ (cos2x)$ using the quotient rule?
What is the equation of the normal line of $f(x)=-4x-1$ at $x=2$ ?
How do you solve for x in $log (x+6)=1-log(x-5)$ ?
What is the equation of the line normal to $f(x)=lnx-1/x$ at $x=3$ ?
Angie and her friends ate $3/4$ of a pizza. Her brother Joe ate $2/3$ of what was left. How much of the original pizza did Joe eat?
How do you differentiate $y =sqrt((3x-9)^3$ using the chain rule?
How do you factor $27a^3-64b^3$ ?
How do you expand $ln (sqrt((3^-2)(5^3)(2^-2)))$ ?
How do you simplify $sqrt(350)$ ?
What is the limit as $x -> 0$ of $((1/(x-1) + 1 )/ x)$ ?
How do you differentiate $f(x)=x^2 * sin4x$ using the product rule?
How do you write $1.2 times 10^-4$ in expanded form?
How do you simplify $m^3sqrtm$ and write it in exponential form?
How do you write $7/ x^-2$ with positive exponents?
Question #2ffc4
How do you differentiate $f(x)= (x+5)/ (x- 7 )$ using the quotient rule?
For what values of x, if any, does $f(x) = 1/((x-3)(x-7))$ have vertical asymptotes?
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