# Questions on Algebra: Graphs, graphing equations and inequalities answered by real tutors!

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 Algebra: Graphs, graphing equations and inequalities Solvers Lessons Answers archive Quiz In Depth

 Question 64715: decide whether the graphs of the two equations are parallel lines: y=x+3,y=x+6 Click here to see answer by stanbon(57290)

 Question 64714: decide whether the graphs of the two equations are parallel lines: 3y=x-12,6y=2x+12 Click here to see answer by stanbon(57290)

 Question 64713: decide whether the graphs of the two equations are parallel lines: y=4x-1,y=1-4x Click here to see answer by stanbon(57290)

 Question 64698: Find the equation of the line that passes through (3,-5) and is perpendicular to the line that passes through (7,-5) and (-2,-4) Click here to see answer by checkley71(8403)

 Question 64735: WHICH RELATION IS NOT A FUNCTION Y=X+2 Y=X^2-4 X=Y^2-4Y X=3Y+4 Click here to see answer by stanbon(57290)

 Question 64759: Can someone help. I just need to know how to get the exponential graph done on this site. I tried using the graphical expression rendering on this site but can't seem to make out the graph I need. The graph is an exponential equation y = 2^x. x is -2, -1, 0, 1, 2 = (this is the domain) y is .25, .5, 1, 2, 4 = (this is the range) Click here to see answer by stanbon(57290)

 Question 64746: Find the slope and y-intercept of the line represented by the following equation. 2x - 3y = 6 Click here to see answer by 303795(595)

 Question 64755: Find the slope of any line perpendicular to the line through points (0, 5) and (-3, -4). Click here to see answer by checkley71(8403)

 Question 64874: I need help doing a prediction for a graphic problem have must predict the mathematics score for a science score of 50. the graph is a class of students science and math scores from 1985-89-on the left side of graph is science scores from 70 down to 40 math scores on both of graph 40 thru 80... yr-1985 math score 60 science 65 yr-1986 " " 53 " 65 yr-1987 " " 44 " 57 yr-1988 " " 61 " 61 yr-1989 " " 70 " 67 How do i predict the math score of correspondending science score of 50? and how would i predict the science of corresponding math score of 65? Click here to see answer by Edwin McCravy(8903)

 Question 64850: Solve by completing the square : -7x = 5 - x^2 Click here to see answer by ankor@dixie-net.com(15646)

 Question 64944: Sketch using transformations: f(x) = -2|x+2|. Start with the basic graph and show all stages. I know that there are supposed to be four graphs, but otherwise I'm stuck. Help! Click here to see answer by 303795(595)
 Question 64944: Sketch using transformations: f(x) = -2|x+2|. Start with the basic graph and show all stages. I know that there are supposed to be four graphs, but otherwise I'm stuck. Help! Click here to see answer by funmath(2925)

 Question 64965: Can anyone tell me which points the line would run through: Use the following graph of f(x) = |x| to sketch the graph of y = f(x-3) Click here to see answer by funmath(2925)

 Question 64977: Can someone help me with this problem: Use the graph of g(x) = |x| to sketch the graph of y = 1/3 |x-1| Click here to see answer by cristiana(10)

 Question 64996: -2x+5y=10 I need to find a point on a grid and how to do it. Thank you for your help! Click here to see answer by stanbon(57290)

 Question 64753: Driving down a mountain, Tom finds that he has descended 1800 ft in elevation by the time he is 3.25 mi horizontally away from the top of the mountain. Find the slope of his descent to the nearest hundredth. Click here to see answer by ankor@dixie-net.com(15646)

 Question 64751: Write the equation of the line with given slope and y-intercept. Then graph each line using the slope and y-intercept. Slope: 5; y-intercept: (0, -2) Click here to see answer by 303795(595)

 Question 65128: My daughter's teacher gave her class the following and told them to create an equation that solves for "y". The numbers are on a T Graph. When X=1 Y=13. When x=2 y=22. When x=3 y=35. When x=4 y=44. I came up with y=9x+4 however, it doesn't work all the way through. Namely it works for the first and second sets of variable but not the third and fourth sets. Can you give us any clues? Click here to see answer by 303795(595)

 Question 65153: How do I slove x+Y=-1 and 2x-y=-8 The problem says Find the Solution to the system by graphing Click here to see answer by stanbon(57290)

 Question 65178: I need help finding the solution set and graph of the inequality x+5<6. The answer should be on a scale with circles that are filled in or not. i dont understand this question! Click here to see answer by stanbon(57290)

 Question 65175: solution set and graph for the inequality x+5<6 Click here to see answer by stanbon(57290)

 Question 64826: If f(x) = 2x, describe the transformation of the curve for g(x) = -2 x-2 I desparetely need help with this thank you Click here to see answer by mszlmb(115)

 Question 65116: graph F(x) = x-2 there is a line under x-2 x+4 Click here to see answer by funmath(2925)

 Question 65269: My question says use the slope formula to calculate the slope of the line that passes through the points (4,7) and (6,2). How do you do that? Click here to see answer by stanbon(57290)

 Question 65102: Write teh slope-intercept from of an equataion of the line that passes through the given point and is parallel to the graph of each equation. 3,2),y=x+5 x-2,5),y=-4x+2 please help explain how and what the teacher is asking for. Thanks Click here to see answer by tanimachatterjee(60)

 Question 65414: How do you graph x-y=12 on the rectangular coordinate system where you have the x- and y-axes Do I first put this in a slope -intercept form; y=mx+b Click here to see answer by amran(4)

 Question 65435: Find the equation of the line that passes through the point (7,5) and is perpendicular to the line 2x - 3y=6 Click here to see answer by checkley71(8403)

 Question 65487: This problem stumped me, because my calculator cannot put in the fraction -3/5 * 2, i know its probaly really easy, but I still dont really know. Click here to see answer by stanbon(57290)

 Question 65427: help! Find the equation of the line that passes through the point (7,-2) and is parallel to the line that passes through (-2,-2) and (3,3). Click here to see answer by checkley71(8403)

 Question 65532: Please help! Find the equation of the line that passes through the point (7,-2) and is parallel to the line that passes through (-2,-2) and (3,3). Click here to see answer by checkley71(8403)

 Question 65560: Solve each of the following systems of linear inequalities graphically. 3x – y (Less than or equal to) 6 x (greater than or equal to) 1 y (Less than or equal to ) 3 Click here to see answer by Nate(3500)

 Question 63977: I am having trouble understanding how to solve this system by graphing, everytime I try, I get a graph with a shaded area and no lines. this does not look right to me, will you help me understand how to graph this? x+y<5 0<=y<=3 x>=1 Click here to see answer by venugopalramana(3286)