Questions on Algebra: Coordinate systems, graph plotting, etc answered by real tutors!

Tutors Answer Your Questions about Coordinate-system (FREE)

Question 1127764: ABCD is a rectangle where A is (1,3) and D is (5,5). AC lies on the line 3y=4x+5. find;
i) The equation of DC
ii) The coordinates of C and B
iii) Area of ABCD.
Click here to see answer by greenestamps(13195)

Question 1127763: find the equation of the perpendicular bisect of AB given that A is (2,7) and B is (6,-1).
Click here to see answer by MathLover1(20849)

Question 1128246: f={(1,2),(2,3),(3,3)},g={(1,0)(2,3),(3,2),(4,8)}
a.Find f+g=
Click here to see answer by greenestamps(13195)

Question 1128256: f={(1,2),(2,3),(3,3)},g={(1,0)(2,3),(3,2),(4,8)}
Find the domain of f/g=
Click here to see answer by greenestamps(13195)

Question 1128255: f={(1,2),(2,3),(3,3)},g={(1,0)(2,3),(3,2),(4,8)}
Find the range of f+g=
Click here to see answer by greenestamps(13195)

Question 1128254: f={(1,2),(2,3),(3,3)},g={(1,0)(2,3),(3,2),(4,8)}
Find f/g=
Click here to see answer by greenestamps(13195)

Question 1128355: Find the domain of f*g
Click here to see answer by josgarithmetic(39613)

Question 1128354: f={(1,2),(2,3),(3,3),(4,5)},g={(1,1)(2,3),(3,2),(4,8)}
Find the domain of f and the range of g
Click here to see answer by MathLover1(20849)

Question 1128439: Let f(x)=x^2, g(x)=2x-3
a. Find (f+g)(2)=5
b. Find (f+g)(x)=x^2+2x-3
c. Find the domain of (f/g)(x): x does not equals 3/2
d. Find the range of f+g=?
e. Find (f/g)(x)=x^2/2x-3
Can you check my answers？ Thank you！！！
Click here to see answer by josgarithmetic(39613)

Question 1128399: f={(1,2),(2,3),(3,3),(4,5)},g={(1,1)(2,3),(3,2),(4,8)}
Find (g*f)(x)
Click here to see answer by MathLover1(20849)

Question 1128442: f={(1,2),(2,3),(3,3),(4,5)},g={(1,1)(2,3),(3,2),(4,8)}
Find (f*g)(2)=
Click here to see answer by MathLover1(20849)

Question 1128444: f={(1,2),(2,3),(3,3),(4,5)},g={(1,1)(2,3),(3,2),(4,8)}
SO the domain of f*g is {1,2,3,4}. Is this correct?
Click here to see answer by ikleyn(52747)

Question 1128443: f={(1,2),(2.3),(3,4)},g={(2,3),(3,2),(4,8)}
a) Find (f*g)(x)=
b) Find (g*f)(x)=

Click here to see answer by ikleyn(52747)

Question 1128469: Let f(x)=x^2,g(x)=2x-3
a)Find (f+g)(2)=
b)Find the domain of (f/g)(x)
c)Find the range of f+g

Click here to see answer by MathLover1(20849)

Question 1128484: f={(1,2),(2.3),(3,4)},g={(2,3),(3,2),(4,8)}
a) Find (f*g)(x)=
b) Find (g*f)(x)=
Click here to see answer by greenestamps(13195)

Question 1128581: Let f(x)=x^2-1,x is greater than or equal to zero. g(x)=square root of x-1
a) Find (f*g)(x)=
b) Find (g*f)(x)=
Click here to see answer by MathLover1(20849)

Question 1128872: Consider the relations f={(1,2),(2,3),(3,3)},g={(1,0)(2,3),(3,2),(4,8)}
a) Determine if the given relations represents one to one functions, Give reason for your answer.
Click here to see answer by rapture1965(18)

Question 1130049: How would you graph -y < -x?

Click here to see answer by ikleyn(52747)

Question 1131169: Find the missing coordinate to complete the ordered pair
Y = -x + 5
(9, )

Click here to see answer by MathLover1(20849)

Question 1131752: Points B(b,0) and C(c,10) are to be placed on this graph so that the distance from A to B to C to D is a minimum. Find the value of b.
Note: point A is at (0,4) and point D is at (8,9)
Click here to see answer by MathLover1(20849)

Question 1131751: Points B(b,0) and C(c,10) are to be placed on this graph so that the distance from A to B to C to D is a minimum. Find the value of b.
Note: point A is at (0,4) and point D is at (8,9)
Click here to see answer by greenestamps(13195)

Question 1131849: Points B(b,0) and C(c,10) are to be placed on this graph so that the distance from A to B to C to D is a minimum. Find the value of b.
Note: point A is at (0,4) and point D is at (8,9)'
I got a hint from my teacher saying to reflect point A on the x axis. I don�t know what to do from there.
Click here to see answer by MathLover1(20849)

Question 1132050: 21X+7y=42
-5x+5y=10
Click here to see answer by Alan3354(69443)

Question 1132050: 21X+7y=42
-5x+5y=10
Click here to see answer by josgarithmetic(39613)

Question 1132064: Find the area of a square if its sides measure 2 2/3 m.
Click here to see answer by ankor@dixie-net.com(22740)

Question 1132065: Frank read 5 9 of a book one day. The next day he read 3 5 of what he read on the first day. What fraction of the book did Frank read on the second day? Did he finish the book in two days?
Click here to see answer by ankor@dixie-net.com(22740)

Question 1132063: Solve the problem making a chart.
Nancy is 5 years younger than her brother Stan. Last year she was half as old as he was. How old is each of them now?
Click here to see answer by Alan3354(69443)

Question 1132116: Song that always makes you happy when you hear it aquamanful.de?
Click here to see answer by aquamanful.de(1)

Question 1132116: Song that always makes you happy when you hear it aquamanful.de?
Click here to see answer by Alan3354(69443)

Question 1132116: Song that always makes you happy when you hear it aquamanful.de?
Click here to see answer by ikleyn(52747)

Question 1132166: write an equation in slope intercept form of the line that passes through -1 and -3 and is parallel to the graph of y=4
Click here to see answer by ikleyn(52747)

Question 1132166: write an equation in slope intercept form of the line that passes through -1 and -3 and is parallel to the graph of y=4
Click here to see answer by josgarithmetic(39613)

Question 1132525: Please give step by step directions to solve the following problem:
Write an equation for a line parallel to y = -3x + 5 and passing through the point (1, -6)
Click here to see answer by ikleyn(52747)

Question 1132547:
Click here to see answer by ikleyn(52747)

Question 1132642:
Click here to see answer by ikleyn(52747)

Question 1132640:
Click here to see answer by ikleyn(52747)

Question 1132638: The line y= -12/5 x + 2 is exactly 3 units away from two other lines parallel to it.The distance in units between the y-intercepts of these two other lines is.
Click here to see answer by MathLover1(20849)

Question 1132793: Identify the point that lies on the line:
y = 4x+ 3
Click here to see answer by josgarithmetic(39613)

Question 1133061: What is the point halfway between the points (10, 2) and (2, 10).
Click here to see answer by josgarithmetic(39613)

Question 1133064: The y-coordinate is 5 more than 2 times the x-coordinate. The x-coordinate is a real number greater than or equal to 7 and less than 9. What is the point(s)
Click here to see answer by ikleyn(52747)

Question 1133062: The point is the third vertex of a triangle with area 28 whose other two vertices are (-4, 2) and (4,2). What is the point(s)
Click here to see answer by ikleyn(52747)

Question 1133063: The y-coordinate is between 4% and 20% of the x-coordinate. Both coordinates are integers. The x-coordinate is 48. What is the point(s)
Click here to see answer by Alan3354(69443)

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, 3871..3915, 3916..3960, 3961..4005, 4006..4050, 4051..4095, 4096..4140, 4141..4185, 4186..4230, 4231..4275, 4276..4320, 4321..4365, 4366..4410, 4411..4455, 4456..4500, 4501..4545, 4546..4590, 4591..4635, 4636..4680