03/07/16

Why is it that when 2x^2+5x+4=0 is solved both by completing the square and the quadratic equation does the answer not come out the same
Completing the square - Vertex is (-5/4, 11/16)Quadratic Formula (-5/4, 11/8)   This is what I got when I used both of the formulas. I am pretty sure that you are supposed to get the same answer... more
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03/07/16

Find two consecutive integers whose product is two more than twice the sum of the integers.
Written in algebra form. 
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03/07/16

6/11x+4=2/11×+16
Please show all work
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03/07/16

How to Simplifiy? THANKS
(3i)(6i^2) ( have to simplifiy) Not good with imaginary numbers:( Thanks again
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03/06/16

Including a 5% sales tax, an inn charges 172.20 per night. Find the inn's nightly cost before tax is added.
Including a 5% sales tax, an inn charges $ 172.20 per night. Find the inn's nightly oat before tax is added.
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03/02/16

Um, i need help understanding this equation?
The hypotenuse of a right triangle is 10 inches. The length of the two legs are given by two consecutive even integers. Find the length of the two legs.   The lengths of the two legs are _______... more
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03/01/16

Safely cross the river
Farmer MacDonald is taking a chicken; a pail of corn; and a large, hungry dog to market. He needs to cross a river in a very small boat that will only hold himself and one other passenger or item.... more
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03/01/16

what does this mean?
Solve the following equation.x^2=5x x= ______, ______  
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03/01/16

-8y+5=-9y+4
What is the solution and how do I get to it
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02/29/16

Solve equation
Use i to represent the imaginary  part of each answer. X2+74=14x   X= X=   Enter exact answer  of increasing imaginary part
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02/29/16

Write the complex number
Square root of negative 54.In form a+bi.where A AND B Are  Real numbers.
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02/29/16

Find the roots of the function...
Find the roots of the function             (2x^2-5x+1) f(x)=11^                   -1 Express your answer in exact form.
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02/29/16

When you factor by grouping, should the binomials match up in the second to last step?
In problems like 2x^2+3n-9 I keep getting x(x+6)-3(x-3) but don't know if its right or where to go from there.
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02/29/16

Question is in description.
Simplify  X^-5/x
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02/29/16

Basic Economics
How could decreasing the sales taxes percentages from 6% to 5.5% in Fl actually increase the total dollar amount of sales taxes generated in the states?
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02/28/16

could someone help me with this?
Factor the polynomial completely. 2x2+7x−60=   how can i factor 2 out if 2 doesn't go into 7? i'm so confused 
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02/28/16

am i doing the setup right?
Factor the polynomial completely. 2a2−6ab−20b2 sense 2 goes in both numbers wouldn't the setup be 2(a-5b) (a-2b)    but i don't know what to do from here could someone please help me understand
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02/28/16

how to factor this? please help me
Factor the polynomial completely. 3x3+12xy2
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02/27/16

solve for x : x/2-x/3=x/4-1
Solve for x in the following equition   x/2 - x/3 =x/4-1
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02/26/16

could someone please help me with this?
Factor the following problem completely. First factor out the greatest common factor, and then factor the remaining trinomial.   y4+4y3 -21y^2
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02/26/16

X^2+y^2-8x+8y+23=0
Write equation in standard form. Cirles, identify the center and radius. Identify ellipses and hyperbole identify the center.
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02/25/16

Writing a Rational Equation Help
Has to have:-numerator is a quadratic function with a x-intercept at x=-2-denominator is a cubic function-there must be only one removable discontinuity at x=3-there must be two infinite... more
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02/25/16

Find the exact value of each expression
sin(inverse tan 3)
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02/25/16

What is the cost of 73 pairs of pants if each pair costs $23, with a 10 percent discount on every pair ordered over 50?
I need to get the answer.
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02/25/16

find the equation of the parabola with vertex (5,1) and focus (5,-2)
vertex (5,1) focus (5,-2)
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