# 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 394404: the point center at (3,4), graph contains the point (7,9). find the equation of a circle satisfying these conditions given. Click here to see answer by jim_thompson5910(28704)

 Question 394397: How many liters of what must be added to 20 liters of 15% salt solution to make 10% salt solutoin? Click here to see answer by josmiceli(9817)

 Question 394435: how do you make equations with given slopes and y intercepts Click here to see answer by jim_thompson5910(28704)

 Question 394446: Write an equation of the line that passes through (1,-1) and is perpendicular to the line y = - 1/2x +6 Click here to see answer by Alan3354(31510)
 Question 394446: Write an equation of the line that passes through (1,-1) and is perpendicular to the line y = - 1/2x +6 Click here to see answer by mananth(12270)

 Question 394473: 1) write an equation in slope intercept form that passes through in parallel (2,-4) y=4x-6 2) write an equation in slope intercept form that passes through in perpendicular (-2,3) y=1/2x-1 Click here to see answer by Alan3354(31510)

 Question 394300: how would you put the equation 2x+3y=6 into y=mx+b form and graph it Click here to see answer by richard1234(5390)

 Question 394596: what are the points on a graph if y=2x+2;y=x-3 Click here to see answer by ewatrrr(10682)

 Question 394695: If the line y=A+B(x-6) is perpendicular to the line y=2x and it contains the point (1,10), what are the values of A and B? Click here to see answer by nerdybill(7003)

 Question 394786: How could you tell if two corresponding lines would be parallel by looking at their linear equations? Thank you so much Click here to see answer by jrfrunner(365)

 Question 394781: Find an equation for the line that goes through the point (5,4) and is perpendicular to the line satisfying -5x-5y=-47 what is the actual formula for y as a function of x? Click here to see answer by ewatrrr(10682)

 Question 394785: How might you interpret the solution of a system of linear equations based on the corresponding graph of the system? Thanks so much for the help Click here to see answer by solver91311(17075)

 Question 394813: Find the x-and y-intercepts of the line that passes through the given points. (7,5),(4,1) Click here to see answer by stanbon(57956)
 Question 394813: Find the x-and y-intercepts of the line that passes through the given points. (7,5),(4,1) Click here to see answer by MathLover1(6808)

 Question 394826: Your brother leaves on a trip, forgetting his suitcase. You know that he normally drives at a speed of 55mph. You do not discover the suitcase until 1 hour after he has left. If you follow him at a speed of 65mph, how long will it take you to catch up with him? Click here to see answer by stanbon(57956)

 Question 394968: How can we use the slope-intercept form of the equation of the line for solving inequalities and systems of inequalities? Click here to see answer by ewatrrr(10682)

 Question 395126: wat is an equation for the line that contains ponts (-3, 5) and (1,-3) Click here to see answer by stanbon(57956)

 Question 393943: find the slope of the line, if it exists, containing the points (9,3) and (-3,-2) Click here to see answer by robertb(4012)

 Question 395194: find the slope, if its exist, of the line containing the pair of points. (8,2) and (10,-8) Click here to see answer by mananth(12270)

 Question 395260: write an equation of the line containing the given point and parallel to the given line, express your answer in the form y=mx+b (-5,7); 2x=9y+5 Thank you Click here to see answer by stanbon(57956)

 Question 395324: what is the domain of p(x)=x^2+2 thank you Click here to see answer by jrfrunner(365)

 Question 395333: Solve the system of equation by graphing y=-2x+2 7x+y=7 If you could please show all working and produce the end result on a graph, it will be greatly appreciated. Thank you. Click here to see answer by ewatrrr(10682)

 Question 395359: The line: y=0.15x+0.79 and 0.11x-y=-0.85 Are the lines intersectiong, parallel,or perpendicular? Click here to see answer by jim_thompson5910(28704)

 Question 395379: Write an equation of the line that passes through the pair of points, (-3,-2),(5,4) Click here to see answer by jim_thompson5910(28704)

 Question 395381: find an equation of the line containing the given pair of points (4,1) and (12,7) thank you Click here to see answer by jim_thompson5910(28704)

 Question 395444: Determine whether the points in each table lie on a straight line. X Y 2 -4 4 -14 8 -34 13 -59 Click here to see answer by stanbon(57956)

 Question 395445: Determine whether the points in each table lie on a straight line. Explain Why. X Y -3 -12 0 2 2 10 6 26 Click here to see answer by MathLover1(6808)

 Question 395487: What differences are there between solving a system of linear equations by using algebraic methods and the graphical method? Click here to see answer by richard1234(5390)

 Question 395637: any help on this question would be greatly appreciated! thanks! :) An object is dropped, its speed continually increases, and therefore its height above the ground decreases at a faster and faster rate. the height h (in feet) of the object t seconds after it is dropped is modeled by the function h = -16t^2 + h0 where h0 is the objects initial height. niagara falls in ny is 167 feet high. how long does it take for the water to fall from the top to the bottoms of the falls? Click here to see answer by stanbon(57956)

 Question 395718: Explain why the value of y is 0 at the x-intercept and the value of x is 0 at the y-intercept? Click here to see answer by ewatrrr(10682)

 Question 395714: What is a real-world example when the solution of a system of linear inequalities must be in the first quadrant? Click here to see answer by richard1234(5390)

 Question 395764: A coin bank contains 25 coins in nickels, dimes, and quarters. There are four times as many dimes as quarters. The value of the coins is \$2.05. How many dimes are in the bank? Click here to see answer by ewatrrr(10682)

 Question 395814: a ferry leaves a harbor and travels to a resot island at an average speed of 18 mph. On the return trip the ferry travels an an average speed of 12 mph because of fog. The total time for the trip is 6 hours. How far is the isalnd from the harbor. Click here to see answer by ewatrrr(10682)

 Question 395853: Slope intercept form of the line is y = x|-9 -8 -7 -6 y|10 7 4 1 Click here to see answer by MathLover1(6808)