# 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

## Tutors Answer Your Questions about Linear-equations (FREE)

 Question 173784: Your cell phone plan charges you \$.02 to send a text message and \$.07 to recieve a text message. You plan to spend no more than \$5 a month text messaging. a. Write an equation in standard form that models the possible combinations of sent text messages and received text messages. b. Graph the equation from part (a). Explain what the intercepts of the graph mean in this situation. c. List three other possible combinations of the number of messages you can send and receive. Click here to see answer by ankor@dixie-net.com(15746)

 Question 173834: Ok JoJo, So how do you write an equation if a line passes through say the point (x,y)=(-5,9) and has a slope of -4. It has me lost baffled and ready to cry this stuff. Ty in advance, Judy Click here to see answer by Fombitz(13828)

 Question 173806: killer whales usually swim at a rate of 3.2-9.7 kilometers per hour, though they can travel up to 48.4 kilometers per hour. Suppose a migrating killer whale is swimming at an average rate of 4.5 kilometers per hour. The distance d the whale has traveled in t hours can be predicted by the equation d=4.5t.graph the equation. Click here to see answer by nycsub_teacher(90)

 Question 173881: y = e^x How do I graph this?? Please help??? Click here to see answer by solver91311(17077)
 Question 173881: y = e^x How do I graph this?? Please help??? Click here to see answer by josmiceli(9817)

 Question 173902: How would I find the slope and y-intercept of this f(x)=-4x-8 Click here to see answer by ankor@dixie-net.com(15746)

 Question 173898: When using point-form in algebra what do you do? y-y1=m(x-x1) Click here to see answer by josmiceli(9817)

 Question 173532: 2) y=4/3x+4 3) 2Y-3X=12 Click here to see answer by jojo14344(1512)

 Question 173929: A handicap ramp has a horizontal length of 6 feet and a vertical height of 2 feet. What is the slope of the ramp? I know the answer is 1/3, but I need to be able to show my work and do not know how. Click here to see answer by bob123132(33)

 Question 173933: Write an equation in standard form of the line satisfying the given conditions for Click here to see answer by josmiceli(9817)

 Question 173931: I need to put the following equation in slope intercept form: Click here to see answer by josmiceli(9817)

 Question 173930: I need to determine the value of 'r' so that the pair of points has the indicated slope for the following equation (-4,8) and (r,6), m=2/3. I was able to get this far: Y2-Y1/X2-X1 = 6-8/r-(-4) = 2/3 now I am stuck. Please help. Click here to see answer by solver91311(17077)

 Question 173947: I need help finding the slope of a line containing the point (1,-3) and perpendicular to y=-3. The worksheet says the answer is 1, but I don't understand how. The other one I am confused with is a line containing the point (-1,6) and perpendicular to x=-1. I don't know how the worksheet got y=6. Click here to see answer by stanbon(57982)

 Question 173950: Please help me I need to see step by step Plot the graph of linear equation 4x + 2 6x + 24y = 18 Click here to see answer by Alan3354(31537)

 Question 173981: please please Ineed someone help I spend 4 hrs and still don't get it please plot the graph exponent y=6^x logarithmic y=log3x please show the graph to thank you so much Click here to see answer by stanbon(57982)

 Question 173982: Line l is perpendicular to a line with slope -5. Both lines contain the origin Click here to see answer by bob123132(33)

 Question 173983: what is the slope and y intercept of the line 14x+4y=24 and can you explain how to get the slope and y intercept? Click here to see answer by Mathtut(3670)

 Question 174007: I have a question on writing equations of parallel lines I understand that in order for an equation to be parallel with another, they must have the same slope. here is the problem Write an equation of a line that passes through the point given and is parallel to the given line: (4,7), y= 5x-3 I do not know what to do. please explain the steps for further use. Click here to see answer by nerdybill(7009)
 Question 174007: I have a question on writing equations of parallel lines I understand that in order for an equation to be parallel with another, they must have the same slope. here is the problem Write an equation of a line that passes through the point given and is parallel to the given line: (4,7), y= 5x-3 I do not know what to do. please explain the steps for further use. Click here to see answer by Mathtut(3670)
 Question 174007: I have a question on writing equations of parallel lines I understand that in order for an equation to be parallel with another, they must have the same slope. here is the problem Write an equation of a line that passes through the point given and is parallel to the given line: (4,7), y= 5x-3 I do not know what to do. please explain the steps for further use. Click here to see answer by gonzo(654)

 Question 174009: Two Equations with graphs that never intersect? Click here to see answer by Mathtut(3670)
 Question 174009: Two Equations with graphs that never intersect? Click here to see answer by solver91311(17077)

 Question 174011: graph the equations Y+2x=0 and x+2y=0 Where do these graphs intersect? Click here to see answer by Mathtut(3670)

 Question 174012: I have a question on writing equations of parallel lines I understand that in order for an equation to be parallel with another, they must have the same slope. here is the problem Write an equation of a line that passes through the point given and is parallel to the given line: (4,7), y= 5x-3 I do not know what to do. please explain the steps for further use. Click here to see answer by Mathtut(3670)
 Question 174012: I have a question on writing equations of parallel lines I understand that in order for an equation to be parallel with another, they must have the same slope. here is the problem Write an equation of a line that passes through the point given and is parallel to the given line: (4,7), y= 5x-3 I do not know what to do. please explain the steps for further use. Click here to see answer by nerdybill(7009)

 Question 174041: Determine which of the following lines, if any, are parallel or perpendicular. Line a:y=8x-5, Line b:y=1/8x+1, Line c:8x+y=2 Please Explain, I am quite confused as to how to get the answer. Click here to see answer by Mathtut(3670)

 Question 174039: Write an equation of the line that passes through the given point and is perpendicular to the given line. (1,-1), y=3x+2 Click here to see answer by stanbon(57982)

 Question 174052: I HAVE A QUESTION ON WRITING EQUATIONS OF A LINE THAT PASSES THROUGH THE GIVEN POINT AND IS PERPENDICULAR TO THE GIVEN LINE. HERE IS THE PROBLEM: WRITE AN EQUATION OF A LINE THAT PASSES THROUGH THE GIVEN POINT AND IS PERPENDICULAR TO THE GIVEN LINE (1,-1) Y= 3X+2 HOW DO I DO IT Click here to see answer by vleith(2825)

 Question 174054: WRITE AN EQUATION OF A LINE THAT PASSES THROUGH THE GIVEN POINT IS PERPENDICULAR TO THE GIVEN LINE. PROBLEM: (1,-1), Y=3X+2 PLEASE ANSWER AND GIVE ME THE STEPS TO SOLVE PROBLEMS SIMILAR TO THE ONE ABOVE. PLEASE EXPLAIN SO THAT I CAN MEMORIZE THE STEPS Click here to see answer by stanbon(57982)
 Question 174054: WRITE AN EQUATION OF A LINE THAT PASSES THROUGH THE GIVEN POINT IS PERPENDICULAR TO THE GIVEN LINE. PROBLEM: (1,-1), Y=3X+2 PLEASE ANSWER AND GIVE ME THE STEPS TO SOLVE PROBLEMS SIMILAR TO THE ONE ABOVE. PLEASE EXPLAIN SO THAT I CAN MEMORIZE THE STEPS Click here to see answer by Earlsdon(6294)
 Question 174054: WRITE AN EQUATION OF A LINE THAT PASSES THROUGH THE GIVEN POINT IS PERPENDICULAR TO THE GIVEN LINE. PROBLEM: (1,-1), Y=3X+2 PLEASE ANSWER AND GIVE ME THE STEPS TO SOLVE PROBLEMS SIMILAR TO THE ONE ABOVE. PLEASE EXPLAIN SO THAT I CAN MEMORIZE THE STEPS Click here to see answer by monika_p(71)

 Question 174053: I HAVE A QUESTION ON WRITING EQUATIONS OF A LINE THAT PASSES THROUGH THE GIVEN POINT AND IS PERPENDICULAR TO THE GIVEN LINE. HERE IS THE PROBLEM: WRITE AN EQUATION OF A LINE THAT PASSES THROUGH THE GIVEN POINT AND IS PERPENDICULAR TO THE GIVEN LINE (1,-1) Y= 3X+2 HOW DO I DO IT AND PLEASE EXPLAIN FOR ME TO UNDERSTAND THE STEPS Click here to see answer by stanbon(57982)

 Question 174045: Determine which of the following line, if any, are parallel or perpendicular. Line a: 6x+2y=5 Line b: y=1/3x-4 Line c: y=-3x+5 Please explain how you arrived at your answer. Thank You. Click here to see answer by stanbon(57982)

 Question 174088: Write the equation of the line in slope-intercept form of the line that has a slope of 1/2 and a y-intercept of (0,-5) Click here to see answer by jojo14344(1512)

 Question 174087: Write the equation of the line that has a y-intercept of (0,-9) and is perpendicular to the line 2x - 4y = 8. Click here to see answer by jojo14344(1512)

 Question 174056: WRITE AN EQUATION OF A LINE THAT PASSES THROUGH THE GIVEN POINT AND IS PERPENDICULAR TO THE GIVEN LINE. (1,-1), Y= 3X+2 PLEASE EXPLAIN AS CLEAR AS POSSIBLE AND PLEASE MAKE IT SIMPLE FOR UNDERSTANDING AND ALSO DO NOT RESTATE ANY UNNESESSARY FORMULAS. I AM ONLY AN 8TH GRADER. Click here to see answer by jojo14344(1512)

 Question 174089: ive had help on an easier question of this type and thought i had understood the concept, however it doesnt seem to work this time. finding the value of x in a linear equation that uses fractions. 3w-2(w-4/3)=1/3 w=-1 but how did they get this answer??? much appreciate your help guys:) Click here to see answer by vleith(2825)

 Question 174126: Do the graphs of 4y=(x-3)2 and 3x-y=14 intersect at (5,1)?Explain Click here to see answer by SAT Math Tutor(36)

 Question 174124: Find 5 points that do not satisfy the equation 5y+3x=-13 Click here to see answer by gonzo(654)

 Question 174123: Find five points that satisfy the equation 5y+3x=-13 Click here to see answer by Mathtut(3670)

 Question 174127: Find two equations with graphs that intersect at (3,-1).Show that (3,-1) makes both equations true. Click here to see answer by solver91311(17077)

 Question 174136: Describe the result you find when you solve the equation 3x-2=3x+2 Click here to see answer by solver91311(17077)

 Question 174128: the graphs of the equations x2+y2=25 and 16x2+9y2=288 are on the same coordinate plane. a.Match each graph with its equation. Click here to see answer by solver91311(17077)

 Question 174125: For each point,Find the value of h such that the point satisfies the equation y2=x+4 a.(h,0) b.(h,1) c.(h,2) d.(h,3) e.(h,-1) f.(h,-2) g.draw the equation y2=x+4 by plotting the points in parts (a)-(f) Click here to see answer by solver91311(17077)

 Question 174142: 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 (3,8);x+5y=3 y=? (-7,2);2x=3y+5 y=? Thanks Click here to see answer by solver91311(17077)

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