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Precalculus Questions
How do you use Descartes' Rule of Signs to describe the possible roots for the function #f(x) = 8x^5-5x^3+x^2-3x+6#?
How do you write and equation for a circle with Center: (-4, 9) and radius: 12?
Find the magnitude and direction angle of v=7(cos140i+sin140j. Show your work?
How do you solve #lnx=-3#?
How do you write the partial fraction decomposition of the rational expression # (x+10)/(x^2+2x-8)#?
Prove that #(1 + Log_5 8 + Log_5 2)/log_5 6400 = 0.5# Please note the base number of each log is 5 and not 10. I continuously get #1/80#, can someone please assist?
How do you solve #16p^2-81p^6
How to find the rule of this logarithm graph?
What are all the possible rational zeros for #f(x)=2x^3-3x^2+1# and how do you find all zeros?
What is #root(3) 1000#?
How do you find the vertical, horizontal or slant asymptotes for #(x^2-4)/(x^3+4x^2)#?
How do you use the rational roots theorem to find all possible zeros of #P(x) = 12x^4 + x^3 + 4x^2 + 7x + 8 #?
What is the coefficient #a_6# in #(1+x)^21+cdots+(1+x)^30# ?
How do you find an equation that describes the sequence #4, 8, 12, 16,...# and find the 13th term?
How do you decompose #(3p-1)/(p^2-1)# into partial fractions?
How do you find the vertical, horizontal or slant asymptotes for #y=(x^2-1)/(2x^2 + 3x-2)#?
How do you find the vertex, focus and directrix of #x^2 = 12y #?
How do you simplify the factorial expression #((2n-1)!)/((2n+1)!)#?
How do you evaluate #\log _ { 625} \frac { \root[ 3] { 5} } { 25}#?
How do you graph the arithmetic sequence #a_n=-0.25+0.45n#?
How do you solve #3^(2x) = 81#?
A linear program is given by Maximize z = 60x1 + 60x2 + 36x3 Subject to 12x1 + 12x2 + 0x3 ≤ 72 30x1 + 18x2 + 18x3 ≤ 180 18x1 + 30x2 + 18x3 ≤ 180 x1 ≥ 0, x2 ≥ 0, x3 ≥ 0 For this linear program the maximum value of the objective function is z max= ? and it
How do you multiply #i(7+ 8i ) ( 7- 8i )#?
How do you find the explicit formula for the following sequence 5, 0.5, 0.05, 0.005 ...?
How do you use demoivre's theorem to simplify #2(sqrt3+i)^2#?
How do you find #(fg)(5)+f(4)# when #f(x)=(x^2)+1# and #g(x)=x-4#?
How do you find the sum of -2+3i and -1-2i?
How do you write the equation #log_4 (1/4)=-1# in exponential form?
How do you solve #64= 32^ { - x + 4}#?
How do you find the inverse of #ln(x^2)# and is it a function?
How do you find the sum of an infinite non-geometric series?
How do you find the equation of a circle passes through the origin and has its center at (-1,-9)?
How do you simplify #(-2-6i)-(4-6i)#?
How do you determine the intervals for which the function is increasing or decreasing given #f(x)=(2absx-3)^2+1#?
Good morning! Can someone help me real quick please?
What are the zeros of the trinomial #4x^2-17x+4#?
How do you find the equation of the circle given center (0, 0), radius 7?
How do you simplify #(3-2i)/(1-i)#?
How do you simplify #log_5 (1/250)#?
How do you solve #log_(2)x^2+log_(.5)x=5#?
The roots of #x^2 + 2x + c = 0# differ by #4i#. What are the roots, and what is the value of #c#?
How do you simplify #(5+ 3i ) - ( 6- 7i )#?
How do you find the equation for a parabola if you have (3,0), (5,0) and (0, 15)?
If #f(x)=x^2-16#, #g(x)=16-x^2#, how do you find #(f-g)(x)#?
How do you write an equation of an ellipse given the endpoints of major axis at (10,2) and (-8,2), foci at (6,2) and (-4,2)?
How do you simplify #log_20 (8000^x)#?
If I have $500 in my account after 4 years of investing at 2.5% per year. how much money did I start with?
Solve the equation ? Can you explain it with rules of it pleas, thank you
How do you find a unit vector normal to the plane which passes through the following points (1,1,1),(2,0,2),(1,1,2)?
What is the common ratio of the geometric sequence #7, -14, 28, -56...#?
How do you find the sum of the coordinates of center in the conic #9x^2+25y^2-18x-150y+9=0#?
Is x-1 a factor of #x^3+5x^2+2x-8#?
How do you solve #f( x ) = 2^ { ( 22- x ) } - 21#?
If p(x) is a polynomial of odd degree, show that the equation p(x)=0 has at least one solution. how would I do this?
How do you find the 8th term of -1, 1, 3, ...?
Is the equation below a function or not ? Explain
How do you graph #y=lnx-1#?
If #f(x)=sqrtx#, #g(x)=7x+b# and #f(g(x))# passes through #(4,6)#, what is #b#?
How do you solve #ln(abs(x-2))+ln(abs(x+4))
How do you find all of real zeros of the function?g(x)=4x(x-5)^2(x-1)^2
How do you solve #ln(n^2+12)=ln(-9n-2)#?
#a^(n+1) - b^(n+1) = (a-b)(a^n+a^(n-1)b+....+ab^(n-1)+b^n)# How I do get this result using induction???
How do you identify the critical points for #(x-1)^2 = (y+1)^2#?
How do you simplify #( 8 - i ) ( 2 + i )#?
The sum of first 8 term of an AP is 100 and sum of first 19 terms is 551. Find the AP..?
Given the piecewise function #f(x)= 3,x 0#, how do you evaluate f(-4)?
How do you find all the real and complex roots of #x^3 - 2x^2 + 10x + 136 =0#?
How do you find the coordinates of the vertices, foci, and the equation of the asymptotes for the hyperbola #x^2-2y^2=2#?
How do you find #abs( -6-8i )#?
How do you determine if # y=sqrt(1-x^2)# is an even or odd function?
How do you identify all asymptotes or holes and intercepts for #f(x)=(x^2+1)/((x-1)(2x-4))#?
What exactly is the imaginary number #i# ?
How do you solve #ln3 + ln(4x) = 4#?
How do you find the sum of the infinite geometric series a1= 343, r=7, and a4= -1?
What is the 23rd term in the sequence: 3, 5, 7, 9, 11?
How do you write the complex conjugate of the complex number #4 - 5i#?
How do you find the vertical, horizontal or slant asymptotes for #(2x^2-1) / (3x^3-2x+1)#?
How do you simplify #(1+sqrt7i)(-2-sqrt5i)#?
How do you solve the system of equations algebraically #x+2y+3z=5, 3x+2y-2z=-13, 5x+3y-z=-11#?
What s the end behavior of #f(x)=-x^4+2x^2+2x#?
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