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

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 Algebra: Coordinate systems, graph plotting, etc Solvers Lessons Answers archive Quiz In Depth

 Question 15175: Within the coordinate system, when a point is on either x- or y-axis (such as point 0,5), is it within a quadrant-- and if so, which one? If not, what do you call it? Thanks. Click here to see answer by stanbon(57219)

 Question 25265: USE THE GRAPHING METHOD TO TELL HOW MANY SOLUTIONS THE SYSTEM HAS: x+y=8 x+y=-1 Click here to see answer by ashleygurl92(6)

 Question 25267: Write the equation of a line parallel to y=-3/4x-2, which has a y-intercept of 5. Click here to see answer by Earlsdon(6287)
 Question 25267: Write the equation of a line parallel to y=-3/4x-2, which has a y-intercept of 5. Click here to see answer by venugopalramana(3286)

 Question 25261: How do i know if an equation is going to be perpendicular? If the solution is -1 Click here to see answer by elima(1433)

 Question 25317: If I already have the first line (y=2x-3) how do I graph the parallel and perpendicular (parellel-(y=2x-14) Perp-(y=-1/2 -19/2) Click here to see answer by elima(1433)

 Question 25615: i wanna see if you can send me tests thorugh internet so i can get better in Algebra? Click here to see answer by queenofit(120)

 Question 24520: (5,4) (0,2) find the slope state the x and y intercepts put in to standard form how do i find the x and y intercept Click here to see answer by stanbon(57219)

 Question 26668: Find the midpoint and the distance between the points (6,-8) and (14,7). Thanks for your help!!! Click here to see answer by venugopalramana(3286)

 Question 26791: y=2x+6;b=3 ( write the ewuation that is perpendicular to the given line with the given y-intercept! Click here to see answer by elima(1433)

 Question 26624: y=-3x+4 how do i graph and find the x and y coordinate of this problem Click here to see answer by kj_cheerldr(3)

 Question 27349: directions: write an equation of the line that is parallel to the given line and passes through the given point. problem: y=2x+2,(3,2) i dont understand how to work these type of problems out and i was wondering if this could be shown to me in steps so that i can work out the rest of the problems on my homework assignment. thank you Click here to see answer by rodriguezh2(15)

 Question 27530: find the slope of any line perpendicular to the line through points(0,5) and (-3,-4) I started with y=0(x)+ 5, y=-3x-4 i am not sure what to do next. Click here to see answer by venugopalramana(3286)

 Question 27577: L has y-intercept (0,-3) and is parallel to the line with equation y=2/3x+1 i am not sure how to make an equation out (0,3) to solve the problem Click here to see answer by mbarugel(146)

 Question 27983: Write an equation of the line in slope-intercept form with slope 1/3 that crosses the y-axis at (0, -2) Click here to see answer by venugopalramana(3286)

 Question 28529: The line through points (m,-9) and (7,m) has a slope of m. What is the value of m? Click here to see answer by sdmmadam@yahoo.com(530)

 Question 28794: HOW DO U DO THIS y=3x + 9 when u are trying to figure out the x and y intercept? Click here to see answer by sdmmadam@yahoo.com(530)

 Question 29168: for equations in slope-intercept form (y=mx+b) , why is m used to represent slope? can't we just use s to represent slope? why does it have to be m? Click here to see answer by atif.muhammad(135)

 Question 29187: I have such a difficult time with these types of problems. All assistance is greatly appreciated. A salesperson receives a fixed salary plus a percentage of all sales. The linear equation y = 0.05x + 500 describes the weekly salary, y, in dollars, in terms of weekly sales, x, also in dollars. a. Use the formula to find the weekly salary for sales of \$0, \$1, \$2, \$3, \$4, \$5, \$100, and \$1000. b. What is the slope of this equation? What does it represent in this situation? c. What is the y-intercept of this equation? What does it represent in this situation? Click here to see answer by venugopalramana(3286)

 Question 27790: PLEASE HELP ME SOLVE Y=1/2;( ,0),(1/2, ) THE QUESTION IS COMPLETE THE ORDERED PAIR SO THAT IT IS A SOLUTION OF THE GIVEN LINEAR EQUATION. THANK YOU Click here to see answer by Nate(3500)

 Question 29263: Can you help me with this: draw the graph of the function Y=3x also the graph for y=4x-3 Click here to see answer by elima(1433)

 Question 29860: I am working with parabolas. For this problem I need to Complete the square Give the Vertex Give the Axis Give the x-intercepts Give the y-intercepts Give a point symmetric to the y-intercept Draw the graph The problem is y=x^2-2x-3. Can anyone help me solve this. I am working on it and would like to have something to check my answer with. Click here to see answer by venugopalramana(3286)

 Question 30386: You purchase 8 gallons of paint and 3 brushes for \$152.50.The next day, you purchase 6 gallons of paint and 2 brushes for \$113.00. How much does each gallon of paint and each brush cost? Click here to see answer by Paul(988)

 Question 30384: At an ice cream parlor, ice cream cones cost \$1.10 and sundaes cost \$2.35. One day the receipts for a total of 172 cones and sundaes were \$294.20. How many cones were sold? Click here to see answer by checkley71(8403)

 Question 30829: In review for an exam, I've back-tracked to see where I got lost and here it is: with the ordered pair (0,5) and (4,0), the origin lies on both the x and y axis, its coordinates are (0,0). The origin is often labeled with the letter "o". How do you know the origin and where did the (0,0)come from? I hope this doesn't sound too stupid! Thanks in advance Click here to see answer by Nate(3500)

 Question 30923: What are the coordinates of the vertex of this graph? y=|x|=3 Click here to see answer by longjonsilver(2297)

 Question 31085: How do you name the quadrant or axis on which each point lies. Such as (-3,-2) Click here to see answer by longjonsilver(2297)

 Question 26845: how do u graph a coordinate plane with an equation??? ex.... y=2x??? Click here to see answer by piglet162431(90)
 Question 26845: how do u graph a coordinate plane with an equation??? ex.... y=2x??? Click here to see answer by heart_breaker911(1)

 Question 31510: Find the equation of the line in slope-intercept form that passes through the point (-2,7) and is perpendicular to the line y=1/5x-16. Click here to see answer by elima(1433)

 Question 31142: In most businesses, increasing prices of their product can have a negative effect on the number of customers of the business. A bus company in a small town has an average number of riders of 1,000 per day. The bus company charges \$2.00 for a ride. They conducted a survey of their customers and found that they will lose approximately 50 customers per day for each \$.25 increase in fare. Identify the graph of the function, give the domain and range as shown in the graph you have drawn, and also the domain and range of the entire function excluding unrealistic values. Click here to see answer by venugopalramana(3286)

 Question 31881: The directions say write an equation of the line in slope-intercept form with slope 1/3 that crosses the y-axis at (0,-2) could I get some help? Click here to see answer by Earlsdon(6287)