Questions on Algebra: Quadratic Equation answered by real tutors!

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Question 975659: Find the distance between the points (3,7) and (8,10). Also find the midpoint of the segment that joins the points. What is the distance?
Click here to see answer by solver91311(24713)

Question 975640: Hi, I'm doing exam review and a crucial section I need to know I cannot remember. This question I'm unsure of how to attempt. Thanks to the person that solves it.
Using the method indicated, determine the minimum or maximum value of each of the following and state the X value for which it occurs.
A) y=x^2+8x-5 by partial factoring
B) y=-3x^2-12x+7 by completing the square
Click here to see answer by josgarithmetic(39613)

Question 975666: Please find the center-radius form of the equation of the circle described and graph it. Center (-1,3) Radius 2
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Question 975680: how to apply square root property in this problems:
1. 35x+19=3(x^2-3)
2. 4+7x-x^2=-x over 2 or -x/2
3. x^2= -7x-3 0ver 2
4. (x+4)(x-2)=4x
5. x(x^2+2x+3=x^3-1
Click here to see answer by josgarithmetic(39613)

Question 975662: You have two square plots formed with 100m of fencing Determine the equation of the curve of best fit, and use the equation to determine the value of x that minimizes the area of each square.
Click here to see answer by stanbon(75887)

Question 975735: Find the cubic equation that has -1 and 2i as roots.
Click here to see answer by Alan3354(69443)

Question 975711: 9x squred = 324
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Question 975740: Find the missing term that is used to make this statement true.
(x12)5�(x-2)9� =(x40)5
Click here to see answer by Alan3354(69443)

Question 975755: You have two square plots formed with 100m of fencing. Determine the equation of the curve of best fit, and use the equation to determine the value of x that minimizes the area of each square.
(Must use quadratics, no derivatives/calculus)
Only thing I've seen to do is then . , .

But then solutions for x are imaginary, what do I do now?
Click here to see answer by Alan3354(69443)

Question 975747: Find the missing term that makes the equation true.
(x^12)^5*(x^-2)^9*____ =(x^40)^5
Click here to see answer by MathLover1(20849)

Question 975851: Please solve the inequality. What would be the solution set?
|3y+4|>0
Click here to see answer by josgarithmetic(39613)

Question 975866: Do you agree that the equation 4-3x=2x square that can be written in standard form in two different ways?Justify your answer.
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Question 975897: How do you write quadratic equations in standard form?
Click here to see answer by rothauserc(4718)

Question 975903: what is the answer and explanation for the (x+3) (x-5)=y

Click here to see answer by Fombitz(32388)

Question 975895: What is the process to get the answer of 3/x+1=2?
Click here to see answer by Alan3354(69443)

Question 975894: What is the answer to 3/x+1=2x?

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Question 975932: Please find the center radius form of the circle. Points are (3,2) (5,8)
Click here to see answer by Alan3354(69443)

Question 975975: Find the center-radius form for the circle having the endpoints (7,2) and (-9,8) of a diameter.
Thank you!
Click here to see answer by Alan3354(69443)

Question 975981: Please decide whether or not the equation has a circle as its graph. If it does, give the center and radius. If it does not, describe the graph.
4x^2-36x+4y^2+28y-14=0
Thanks so much!
Click here to see answer by Fombitz(32388)

Question 975988: How I can solve the equation 4-3x=2x^2
Click here to see answer by MathLover1(20849)

Question 976186: Find the point of equilibrium for a system that has a demand equation of p= 49-0,000 3x and a supply equation of p= 33+ 0.00002x
Click here to see answer by Boreal(15235)

Question 976183: Solve the following system of equations using the elimination method
2x - 3y =12
-2x + 3y = 12
Click here to see answer by Alan3354(69443)

Question 976217: A rocks falls from a tower that is 320 ft high. As it is falling, it height is given by the formula h=320--16t^2. How many seconds (in tenths) will it take for the rock to hit the ground? h=0
Click here to see answer by jim_thompson5910(35256)

Question 976214: Please solve the formula for the indication variable.
S = 2╥rh+2╥r^2, for h
Click here to see answer by Alan3354(69443)

Question 976213: Please solve the formula for the indication variable.
R = nE - nr for n
Click here to see answer by jim_thompson5910(35256)

Question 976212: Please solve the equation using the quadratic formula. Thanks!
2x^2=-6x-3
Click here to see answer by Alan3354(69443)

Question 976212: Please solve the equation using the quadratic formula. Thanks!
2x^2=-6x-3
Click here to see answer by rothauserc(4718)

Question 976246: what can be the factor in 48x to be equal to 19? this is the equation 6x-19x+8=0. the teaching to us is that we need to multipy the 1st term and 3rd term but it needs to be equal to the second term. and im quite confused. can you help me? thank you
Click here to see answer by josgarithmetic(39613)

Question 976256: where did you get the 2x in the problem a garden 7m by 12m will be expanded by planting a border of flowers. The border will be of the same width around the entire garden and has an area of 92 meters squared.? I will wait for your answer Thank you :)

Click here to see answer by josgarithmetic(39613)

Question 976277: what is the solution of this equation 7x+3=3x-17? thank you! god bless you !
Click here to see answer by rothauserc(4718)

Question 976371: A ball is dropped from a cliff is 192 feet high. The distance S(in feet) that it falls in t seconds is given by the formula S = 16t^2. How many seconds (to tenths) will it take for the ball to hit the ground?
Click here to see answer by solver91311(24713)

Question 976368: A triangular shaped lake-front lot has a perimeter of 1400 ft. One side is 200 ft longer than the shortest side, while the third side is 300 ft longer than the shortest side. Find the lengths of all three sides.
Click here to see answer by solver91311(24713)

Question 976374: Please solve the equation for the indicated variable. Assume no denominator is 0. M=╥r^2hd, for r
Click here to see answer by Fombitz(32388)

Question 976409: (b+4a)2
Click here to see answer by rfer(16322)

Question 976498: The manager of big box store has found that if the price of a pillow is p(x)=100-x/8 then x pillows will be sold. The expression for the total revenue from the sale of x pillows is
R(x) = 100x-x^2/8 . Find the number of pillows that will produce maximum revenue.
a) 800 pillows

b) 400 pillows
c) 440 pillows

d) 380 pillows

Click here to see answer by Boreal(15235)

Question 976504: Find the equation of the parabolaparabola with a focus of (-1,-3) and directrix of y:-1. Please explain step by step. I have a test andand I don't understand.
Click here to see answer by stanbon(75887)

Question 976508: Find the equation of the parable when the focus is (3,4) and directrix y:-2. Use the distance formula or using focal length. Please helphelp!!
Click here to see answer by josgarithmetic(39613)

Question 976585: find vertex
y=x^2+4x+3
Click here to see answer by FrankM(1040)

Question 976652: Pls help in factorizing:
Click here to see answer by Fombitz(32388)

Question 976654: Pls help in factorizing:
Click here to see answer by Tatiana_Stebko(1539)

Question 976655: Pls help in factorizing:
Click here to see answer by t0hierry(194)

Question 976749: PATRICIA'S SAYS THAT ITS MORE APPROPRIATE TO USE THE METHOD OF FACTORING THAN EXTRACTING SQUARE ROOTS IN SOLVING THE QUADRATIC EQUATION 4XSQUARED-9=0 DO YOU AGREE WITH PATRICIA EXPLAIN YOUR ANSWER

Click here to see answer by josgarithmetic(39613)

Question 976776: what equation is needed for a parabola which passes through points (0,3)(1,6)(-1,8)
Click here to see answer by Alan3354(69443)

Question 976776: what equation is needed for a parabola which passes through points (0,3)(1,6)(-1,8)
Click here to see answer by josmiceli(19441)

Older solutions: 1..45, 46..90, 91..135, 136..180, 181..225, 226..270, 271..315, 316..360, 361..405, 406..450, 451..495, 496..540, 541..585, 586..630, 631..675, 676..720, 721..765, 766..810, 811..855, 856..900, 901..945, 946..990, 991..1035, 1036..1080, 1081..1125, 1126..1170, 1171..1215, 1216..1260, 1261..1305, 1306..1350, 1351..1395, 1396..1440, 1441..1485, 1486..1530, 1531..1575, 1576..1620, 1621..1665, 1666..1710, 1711..1755, 1756..1800, 1801..1845, 1846..1890, 1891..1935, 1936..1980, 1981..2025, 2026..2070, 2071..2115, 2116..2160, 2161..2205, 2206..2250, 2251..2295, 2296..2340, 2341..2385, 2386..2430, 2431..2475, 2476..2520, 2521..2565, 2566..2610, 2611..2655, 2656..2700, 2701..2745, 2746..2790, 2791..2835, 2836..2880, 2881..2925, 2926..2970, 2971..3015, 3016..3060, 3061..3105, 3106..3150, 3151..3195, 3196..3240, 3241..3285, 3286..3330, 3331..3375, 3376..3420, 3421..3465, 3466..3510, 3511..3555, 3556..3600, 3601..3645, 3646..3690, 3691..3735, 3736..3780, 3781..3825, 3826..3870, 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