Questions on Algebra: Systems of equations that are not linear answered by real tutors!

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Algebra: Systems of equations that are not linear

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Question 58950: hi, i need to re-arrange the formula to solve for x.... -2x+8y=16
heres what i have x=4y-8 but im not sure if this is correct
Click here to see answer by checkley71(8405)

Question 59043: What is the answer to this equation 4x+y=0?
Click here to see answer by uma(370)

Question 59043: What is the answer to this equation 4x+y=0?
Click here to see answer by rcmcc(152)

Question 59379: At what point does the line y=3x-4 intersect the y-axis?
Click here to see answer by josmiceli(3012)

Question 59380: A certain number, X, is multiplied by 5 and then 4 is subtracted from the result. What expression represents the outcome?

I'm guessing it would be 5x-4 but wasn't 100% sure.
Click here to see answer by tutorcecilia(2042)

Question 59521: Can someone help me here?
I need to solve the system by addition or substitution
3x - 4y = 8
6x - 2y = 10
Thanks,
Jamie
Click here to see answer by stanbon(26291)

Question 59735: What is 5^5 equal to?
---
5^3

I'm guessing 5^2
Click here to see answer by uma(370)

Question 59738: I need help factoring x^2+x-30
Click here to see answer by uma(370)

Question 59739: evaluate and simplify
(Sqrt)36x^14
Click here to see answer by uma(370)

Question 59736: I need help factoring 12x^3y^3 - 6x^4y^2
Click here to see answer by uma(370)

Question 59734: Simplify (3x^3y)^2
Click here to see answer by checkley71(8405)

Question 59825: What is the equation of a line graphed through (-2,0)(0,-2)
Click here to see answer by checkley71(8405)

Question 59826: solve for x
1/4x-2=1/2x-3

Click here to see answer by jaimehot(1)

Question 59973This question is from textbook Alegbra Concepts and Applications
: Solve the system of equations by substitution
y = x^2 + 2x - 2 and y - 3x + 4This question is from textbook Alegbra Concepts and Applications

Click here to see answer by funmath(2873)

Question 59924: I found this problem on an SAT practice test
Given
a > b > 0
a^2 - b^2 = 12
list all posible values for
a - b =

Click here to see answer by venugopalramana(3286)

Question 59901: how do you find the rate of change with two given points and then tell the classification of the line?

Click here to see answer by tutorcecilia(2042)

Question 60047: Instructions: Solve each system of equations by graphing. If the two equations produce parallel lines, write no solution. If the two equations produce the same line, write infinite number of solutions.
What is the solution for x-y=3
x+y=-1

Click here to see answer by tutorcecilia(2042)

Question 60060: What is the solution for 2x-y=4
4x=2y+8
Click here to see answer by rchill(405)

Question 60059This question is from textbook

: What is the solution for 2x-y=6
6x-3y=12This question is from textbook

Click here to see answer by rchill(405)

Question 60070This question is from textbook ALGEBRA 2
: CONNECT ( 3,7) AND (1,2) WITH A LINE AND THEN CONNECT (1,2) AND (0,3). WHAT APPERAS TO BE TRUE ABOUT THESE TO LINES ? FIND THE SLOPE OF EACH LINE . WHAT IS TRUE ABOUT THE SLOPES?This question is from textbook ALGEBRA 2

Click here to see answer by tutorcecilia(2042)

Question 60342: Solve the system of equation by graphing.
1.)
-7x + y = -8
-3x + y = -12
Click here to see answer by tutorcecilia(2042)

Question 60800: can u answer my question:
Click here to see answer by checkley71(8405)

Question 60807: solve each system of equations by using either substitution or elimination.
2x-y=-5
4x+y=2
Click here to see answer by checkley71(8405)

Question 60823: please show me how to solve by substitution 3x=-7
x+y=-9 I am not sure what to substtiute.

Click here to see answer by checkley71(8405)

Question 60806: solve each systen of equations by using either substitution or elimination.
-r+t=5
-2r+t=4
Click here to see answer by checkley71(8405)

Question 60883: _____________________
3 |
\ | -8/27
\|
Click here to see answer by asha(30)

Question 60418: X=sqrt(4+sqrt(4-sqrt(4+sqrt(4-.........upto infinity.
find x.
Click here to see answer by joyofmath(189)

Question 60801: soleve each system of equations by graphing.
x-2y=0
y=2x-3
Click here to see answer by tutorcecilia(2042)

Question 61381: How would you set up and slove the equation -x+y=3, x+y=5?
Click here to see answer by stanbon(26291)

Question 61383: The sum of two numbers is 40. Their difference is 8. Find the two numbers. How would I set this up to solve it?
Click here to see answer by stanbon(26291)

Question 61414: how do I solve 7x+y=10
2x+3y=-8
Click here to see answer by checkley71(8405)

Question 61422: John Craig invested a portion of $15,000 at 10% annual interest and the balance at 6% annual interest. If he earned $1260 for the year from the two accounts, how much did he invest at 10%?
Click here to see answer by tutorcecilia(2042)

Question 61994: The sum of two numbers is 28. The larger number, y, is 4 more than the smaller number, x. Write two equations for this system and solve to find x and y.
Give your answer as an ordered pair without parentheses or spaces, as in x,y.

Click here to see answer by jai_kos(139)

Question 61992: y - x = 5
2y+x=-2
Click here to see answer by funmath(2873)

Question 61991: 3x + y = 5
4x - 7y = -10
Click here to see answer by hotrodd(18)

Question 62040: I tried to follow the directions on the video, but I got lost somewhere and messed up. I am lost.
Solve each of the following systems.
(1) x + y = 5
x^2 + y = 5
(2) x - y = 2
x^2 + y^2 = 4
(3) x^2 + y^2 = 12
x^2 + y = 10
(4) x^3 - 2^x - 5X + 6 = 0
3x - y + 6 = 0
Click here to see answer by Nate(3495)

Question 62440: please help w/ the following:
Use the Remainder Theorem to find p(-3) if P(x)= x^6+4x^5+x^3-8x^2-22.
Also find the quotient polynomial that leads to the remainder.
Thank you.
Click here to see answer by stanbon(26291)

Question 62442: Please help w/ the following:
Find all the real and complex zeros of the polynomial x^4+8x^3+8x^2-72x-153.
Thank you.
Click here to see answer by stanbon(26291)

Question 62443: Please help w/ the following:
Use the Intermediate Value Theorem to determine which interval contains an x-intercept of the function.
f(x)=3x^5+5x^4+x^3-9x^2+4x-3
Thank you.
Click here to see answer by stanbon(26291)

Question 62520: Please help w/ the following:
Use synthetic division to determine which pair of integers provide both a lower and an upper bound for the zeros of :
f(x)= 2x^4-14x^3+22x^2+14x-24?
Thank You.
Click here to see answer by stanbon(26291)

Question 62519: Please help w/ the following:
Using Descartes Rule of Signs to determine how many positive and how many negative real zeros the polynomial functions may have. Do not attempt to find the zeros.

f(x)=x^6-4x^5-x^4-3x^3+3x^2+x+4
Thank You.

Click here to see answer by venugopalramana(3286)

Question 62707: s^2-13s+42=0
a^2+2a-35=0
v^2-15v+54
v^2+12v+27=0

Click here to see answer by stanbon(26291)

Question 62441: Please help w/ the following:
Find the rational roots of F. List any irrational roots correct to two decimal places.
f(x)= x^4+7x^3+x^2-35x-30
Thank you.
Click here to see answer by venugopalramana(3286)

Question 62750This question is from textbook College Algebra
: HELP!!!!! Word Problem
A mail-order lacrosse equipment business shipped 120 packages one day. Customers are charged $3.50 for each standard-delivery package and $7.50 for each express-delivery package. Total shipping charges for the day were $596. How many of each kind of package were shipped?
Using substitution method of solving systems of equations. Making x=number of standard-delivery packages and y=number of express-delivery packages.This question is from textbook College Algebra

Click here to see answer by uma(370)

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