# 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 728157: Graph the circle. x^2 + y^2 − 25 = 0 Click here to see answer by tommyt3rd(606)

 Question 737287: give the slope of each line and then determine whether the two lines are parallel, perpendicular, or neither -2x+3y=9 Click here to see answer by tommyt3rd(606)

 Question 751689: Determine whether the lines x-5y=15 and -5x-y+2=0 are parallel, perpendicular, or neither. I really need help with this one. Kim Click here to see answer by MathTherapy(1425)
 Question 751689: Determine whether the lines x-5y=15 and -5x-y+2=0 are parallel, perpendicular, or neither. I really need help with this one. Kim Click here to see answer by tommyt3rd(606)

 Question 751679: i am supposed to use substitution to solve this she said the answer is infinate but could you explain how? -2x-5y=-25 y= -2\5x+5 Click here to see answer by Theo(3464)

 Question 751611: Determine the equation of the line passing through the points (1, 2) and (6, -4). Please show work. Click here to see answer by lwsshak3(6513)

 Question 751613: Determine whether the lines x-5y=15 and -5x - y = 2 = 0 are parallel, perpendicular, or neither. Click here to see answer by stanbon(57361)

 Question 751568: Determine whether the lines y-4=3x and 2y-6x=8 are parallel, perpendicular, or neither. Click here to see answer by josmiceli(9686)
 Question 751568: Determine whether the lines y-4=3x and 2y-6x=8 are parallel, perpendicular, or neither. Click here to see answer by lynnlo(4164)

 Question 751567: Determine the equation of the line passing through the points (1, 2) and (6, -4). Click here to see answer by lynnlo(4164)

 Question 751348: Please help me out and answer this question: Determine the equation of the line with slope and passes through the point (5, 1). Express the equation of the line in both slope – intercept form and standard form. Click here to see answer by stanbon(57361)

 Question 750933: If f(x) = -2x + 1, find f(-6). Click here to see answer by tommyt3rd(606)

 Question 750707: Identify the graph of y ≥ 1 – 3x Click here to see answer by stanbon(57361)

 Question 750622: Hi there I need to calculate out how far and high a boy named Jose throws in a ball in a football match, Y stands for the height in meters and X for the diatance in meters from where jose is standing. How do I calculate Y=-0,04x^2+0,6x+2 Click here to see answer by nerdybill(6962)

 Question 739009: graph the following system of equations using slope and y intercept determine the number of solutions for the system, 2x+3y=6 and 4x+6y=24 Click here to see answer by tommyt3rd(606)

 Question 739295: Find the slope of a line perpendicular to each given line. y=-5/3x+3 Click here to see answer by tommyt3rd(606)

 Question 728156: Write the equation in standard form of the circle with the given properties. Center at the origin; r = square root of 7 Click here to see answer by tommyt3rd(606)

 Question 748429: What linear equation represents a line containing the point (1,3)? Click here to see answer by MathLover1(6634)

 Question 748408: What is the slope of the line that passes through the points (3,5) and (-2,2)? Click here to see answer by rfer(12662)

 Question 748386: A computer-aided design (CAD) operator has located three corners of a rectangle. The corners are at (8, 12), (-5, 12), and (-5, 6). Plot these points and find the location of the fourth corner. I need help with this please Click here to see answer by josgarithmetic(1530)

 Question 748072: The distance between the two points A(a,1,2) and B(5,a,3) is 3. Find the value of . Click here to see answer by tommyt3rd(606)

 Question 746036: i have tried but cant seem to figure it out !!p is the midpoint of line AB. what are the coordinates of point p? A(120) B(120) Click here to see answer by Alan3354(30993)

 Question 745468: The ordinate of a point which is √29 units from (5,1) is twice its abscissa. Find the point. Click here to see answer by sachi(392)

 Question 745466: Express by an algebraic equation the statement that the point (x,y) is at a distance 3 from (-7,-3) Click here to see answer by stanbon(57361)

 Question 744087: I am using substitution to find coordinates for x and y. Problem reads: 2x+3y=25 , where y=3x+1. I understood that to be 2x+3*(3x+1)=25, Using distributive property, now I have 2x+9x+1=25. Simplified that to 11x=24, or x=24/11 My textbook shows the correct final answer for coordinates is x=2, y=7, so I am way off. Can you tell where I went wrong? Click here to see answer by stanbon(57361)

 Question 742906: Plot the number 3/2 on a number line Click here to see answer by rfer(12662)

 Question 742659: where would you plot y=x on a graph? Click here to see answer by stanbon(57361)

 Question 742331: .)Given the equation of a basic graph and describe a sequence of transformation that can be used to find the graph of y=-|2x-3| DONOT GRAPH . Basic graph equation:__________ Transformations: 10.)Calculate an equation for the circle for which the segment represent PQ is a diameter P=(-3,1) , Q=(5,6) Click here to see answer by stanbon(57361)

 Question 742329: Help! 6.)find the function that is finally graphed after the following transformations in indicated order are applies to the graph of y=|x| 1.) Right shift by 4 units 2.) Reflection with respect to the x-axis 3.) Horizontal stretch by a factor of 2 4.) Shift downwards by 2 units Click here to see answer by stanbon(57361)

 Question 742325: Can someone assist me??please. i)state the transformations applied to the graph of f(x)=|x| to obtain the graph of g(x)=-2|x-3|+1 ii)Sketch the graph.Show and label at least 3 points of transformations used to draw your graph. Click here to see answer by stanbon(57361)

 Question 740984: PLEASE HELP ME SOLVE THIS!!! Point "A" (-4,1) is in the standard (x,y) coordinate plane. What must be the coordinates of point "B" so that the line x = 2 is the perpendicular bisector of "AB", with a line drawn above "AB"? Click here to see answer by ankor@dixie-net.com(15656)

 Question 740020: Find the circumference of each circle. Use 3.14 for Pie. Round to the nearest tenth 10 in. Click here to see answer by Alan3354(30993)

 Question 739893: find the slope of the line passing through the given points (-1/3, 1/5) and (3/2, 1/4) Click here to see answer by Alan3354(30993)

 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 jam123(18)

 Question 739518: HOW DO YOU FIND ORDERED PAIRS IF YOU DO NOW KNOW THE EQUATION Click here to see answer by AnlytcPhil(1277)

 Question 739298: Find the slope of a line perpendicular to each given line. y=2/3x+4 Click here to see answer by Alan3354(30993)

 Question 739059: find the value of the missing coordinate in (x,5)that makes the orderd pair a solution to the equation 2x+y=-1 Click here to see answer by opie95(4)

 Question 739025: find the slope of a line parallel to each given line. y=2 Click here to see answer by reviewermath(527)