# Questions on Algebra: Linear Equations, Graphs, Slope answered by real tutors!

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 Algebra: Linear Equations, Graphs, Slope Solvers Lessons Answers archive Quiz In Depth

 Question 40814: Solve the system of equations using the substitution method. If the answer is a unique solution, present it as an ordered pair: (x, y). If not, specify whether the answer is “no solution” or “infinitely many solutions.” 3x + y = 7 4x – y = 21 Click here to see answer by stanbon(57967)

 Question 40813: Find the equation, in slope-intercept form, of the line that passes through the points (5,2) and (-7, 3). Click here to see answer by stanbon(57967)
 Question 40813: Find the equation, in slope-intercept form, of the line that passes through the points (5,2) and (-7, 3). Click here to see answer by checkley71(8403)

 Question 40581: How do i start this problem? m-(3/8)> (1/2) Click here to see answer by fractalier(2101)

 Question 40894: write the equation of the line c-intercept 3, y intercept 3 Click here to see answer by checkley71(8403)

 Question 40906: Find the slope and y-intercept for the line 2x-3y=8 Click here to see answer by Nate(3500)
 Question 40906: Find the slope and y-intercept for the line 2x-3y=8 Click here to see answer by checkley71(8403)

 Question 40911: i am trying to determine if my son and I solved the following equation correctly: Questions: Find the slope of the line passing through (-5/4,2) and (1/4,7/2) Click here to see answer by Nate(3500)

 Question 40927: I have a couple of questions on Linear equation. A little bit of explanatiom will help. Thanks a lot. 1. How do I find all points on the y-axis that are 12 units from (5, -3) 2. How do I find the equation of a circle that has a diameter with an endpoint (2,3) and ( 4,11). Write the answer in standard form. Click here to see answer by mbarugel(146)

 Question 40917: We need assistance in solving the following equation 1. What is the slope of all lines perpendicular to 4y+9x-6? 2. what is the slope of all lines parallel to 2y-3x=5? Click here to see answer by stanbon(57967)

 Question 41008: width is 10 feet less than length. the perimeter is 100 feet. how do i find the area? Click here to see answer by stanbon(57967)

 Question 41044: Please help with this. If you mix 8 liters of a 40% solution of acid with some 70% solutions to get a mixture that is a 50% solution. How much of the 70% solution would be used? Click here to see answer by Nate(3500)
 Question 41044: Please help with this. If you mix 8 liters of a 40% solution of acid with some 70% solutions to get a mixture that is a 50% solution. How much of the 70% solution would be used? Click here to see answer by checkley71(8403)

 Question 41046: I COLLECTED 4 TIMES AS MUCH MONEY AS DERRICK. WE COLLECTED A TOTAL OF \$3900 HOW MUCH DID EACH OF US COLLECT. THIS ONE REALLY PUTS ME IN A STUMP HOLE THANKS FOR ANY HELP. SINCERLY KEVIN Click here to see answer by Nate(3500)

 Question 41057: CHUCK INVESTED \$14000 LAST YEAR. HE INVESTED 9% IN A SIMPLE INTEREST, AND THE REST OF IT AT A 10%. THEN MADE A TOTAL OF \$1350 FROM INTEREST. HOW MUCH WOULD HAVE BEEN INESTED AT EACH RATE? WOULD ENJOY ANY HELP GIVEN. KEVIN Click here to see answer by Nate(3500)

 Question 41107: Find the imaginary solutions to each equation. 3y^2+8=0 Click here to see answer by fractalier(2101)

 Question 41089: FIVE liters of a 4% solution must be mixed with a 10% sloution to get a 6%solution. how many liters of the 10% are needed? thanks Click here to see answer by fractalier(2101)

 Question 41088: LINK HAS 42 COINS CONSISTING OF NICKELS AND DIMES. IF THE TOTAL VALUE IS \$3.30, FIND THE NUMBER OF EACH COIN.THANKS IM LEARING Click here to see answer by fractalier(2101)

 Question 41086: two cars leave the same point traveling in opposite direction. the second car travels 10 mph fasterthan the first and after 3 hours they are 330 miles apart. how fast is each car traveling?thanks very much Click here to see answer by fractalier(2101)

 Question 41085: two cars leave the same point traveling in opposite direction. the second car travels 10 mph fasterthan the first and after 3 hours they are 330 miles apart. how fast is each car traveling? Click here to see answer by fractalier(2101)

 Question 41087: two cars leave the same point traveling in opposite direction. the second car travels 10 mph fasterthan the first and after 3 hours they are 330 miles apart. how fast is each car traveling?thanks very much Click here to see answer by fractalier(2101)

 Question 41189: Please help!! I am trying to find out how to do the following problem. Write a equation of the line having slope 5 and y intercept -4/5. Click here to see answer by fractalier(2101)

 Question 41187: Find the slope and the y-intercept of -2y -5x=8. Click here to see answer by fractalier(2101)

 Question 40995: Find the equation, in standard form, with all integer coefficients, of the line perpendicular to 3x-4y=9 and passing through (-2,-1) Click here to see answer by zeynep(43)

 Question 41320: I need help figuring 5x + 8 + 3x - x + 5 = 6x - 3 Click here to see answer by vidhyak(94)

 Question 41324: I need help figuring 2x + 3y = 6 (for x) Click here to see answer by psbhowmick(529)

 Question 41378: How do you write an equation in slope-intercept form when given the x and y-intercepts? Example: x-intercept 3, y-intercept 2 Click here to see answer by venugopalramana(3286)

 Question 41379: How do you write an equation in slope-intercept form when given the x and y-intercepts? Example: x-intercept 3, y-intercept 2 Click here to see answer by venugopalramana(3286)

 Question 41453: Having trouble understanding Slopes and graphs portion of my Algebra class. please help. The problem is Determine which two equations represent parallel lines. (a) y = 6x – 10 (b) y = –6x + 10 (c) y = 6x + 5 (d) y = x – 10 Thnks you Click here to see answer by venugopalramana(3286)
 Question 41453: Having trouble understanding Slopes and graphs portion of my Algebra class. please help. The problem is Determine which two equations represent parallel lines. (a) y = 6x – 10 (b) y = –6x + 10 (c) y = 6x + 5 (d) y = x – 10 Thnks you Click here to see answer by AnlytcPhil(1278)

 Question 41500: what graph do you use to express the Y and x axis cordinates which are x = -2,-1,0, 1, 2, and y = .25, .5, 1, 2, 4 Click here to see answer by stanbon(57967)

 Question 41454: Having trouble This Problem in my Algabra class. The problem is Which of the ordered pairs (–1, 2), (7, 0), (3, –1), (–17, 6) are solutions for the equation x + 4y = 7? Thnks you Click here to see answer by Nate(3500)

 Question 41518: my question is I need to write the equation for the line satisfying the given information, then write it in slope-intercept form. Graph the equation, and show both of the intercepts. Passes through the points (10,42.3)(20,51.5) Passes through through the points(100,2.2)(150,1.9) passes through the poins(1/2,-1/2) with slope 1/2 passes through the points(-10.4,0.3)(5,34,000) Click here to see answer by psbhowmick(529)

 Question 41581: For f(x) = 3x – 5, find f(2). Click here to see answer by stanbon(57967)

 Question 41591: it say to use the substitutuon y=x+2 2x+y=8 x+y=3 3x+y=3 3x-y=9 2x+y=6 I hope you ca help I need to know how to do this for my examine Click here to see answer by Nate(3500)