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This was the question: Explain why the formula for determining slope using the coordinates of two points does not apply to vertical lines. The formula for determining a slope using two points does not apply to vertical lines simply because

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  1. math

    This was the question : Explain why the formula for determining slope using the coordinates of two points does not apply to vertical lines. This is my answer:The formula for determining a slope using two points does not apply to vertical lines simply
  2. math

    This was the question: Explain why the formula for determining slope using the coordinates of two points does not apply to vertical lines. The formula for determining a slope using two points does not apply to vertical lines simply because dividing by 0 is
  3. Math...Please help I need this done by 6:00

    This was the question: Explain why the formula for determining slope using the coordinates of two points does not apply to vertical lines. The formula for determining a slope using two points does not apply to vertical lines simply because dividing by 0 is
  4. pre calculus

    Question 1: Explain why the equation of the line y=5 has a slope that is undefined. Explain in words or mathematically. Question 2: Given any circle, the coordinates of one endpoint of a diameter is (3,-2). If the coordinates of the center are (2,-4), find
  5. math /algebra

    This was the : Explain why the formula for determining slope using the coordinates of two points does not apply to vertical lines. This is my answer:The formula for determining a slope using two points does not apply to vertical lines simply because
  6. Math /Algebra

    I was challenged with this question: Explain why the formula for determining slope using the coordinated of two points does not apply to vertical lines. This was my answer: The formula for determining a slope using two points does not apply to vertical
  7. Math

    Write an equation of the line that passes through the given points. (-1,5) and (2,-7) The equation is ___. Here's what, I did: Slope = rise/run = y2 - y1/ x2 - x1, where x2 - x1 # 0 Substitute the coordinates of the points into this formula and simplify.
  8. math

    my question in (slope) find the coordinates of a quadrilateral so that the slope of all four sides are negative ??? please explain your answer .
  9. math

    my question in (slope) find the coordinates of the vertices of a triangle so that the slope of all three sides are positive ??? please explain your answer .
  10. Math (Calculus II) (Graph approximation)

    Here is the link to the graph of f' in question: bit.ly/2oml70V I have a hard time trying to answer these kinds of questions when we're only given a graph of f'. a) Approximate the slope of f at x = 4. Explain. I believe the slope of f in this case would
  11. Math

    a) Explain the relationship between the axis of symmetry and the quadratic formula. b) We know that the quadratic formula can be used to determine the roots of a quadratic function. However, the quadratic formula also reveals how many roots exist without
  12. slope algebra

    given ab and its midpoint m. the coordinates of a are (-10,-3) and the coordinates of M are (-4,-1) a. find the coordinates of B. b. find the slope of am. c. find the slope that is perpendicular d. find the slope that is parallel e . write the equation of
  13. Calculus I

    y = x^3 - 8x^2 + 6x -2 has a slope of 6 at two points, what are the coordinates? I did the power rule to derive the equation: y'= 3x^2 - 8x + 6 , and then I tried to factor it to find the x intercepts but it doesn't work. But anyway, my point of confusion
  14. Linear Equation in Two Variables

    I have to take a college placement test and am studying the practive test. He is the question . . . What is the equation of the line that contains the points with (x,y) coordinates (-3,7) and (5,-1)? I know that the answer is y=-x+4, but I cannot remember
  15. Analytic geometry - finding point by intersect lin

    I have a triangle ABC. The slope of AB is -1/ab, the slope of AC is -1/ac, and the slope of BC is -1/ac. My question is, I have 3 lines: Altitude from A to BC, altitude from B to AC, and altitude from C to AB. I know their slope because it is just
  16. algebra

    What is the slope of a line through (-5,2) and (6,7) in the standard(x,y) coordinate plane? Sorry, I forgot the choices F.9 G.5 H.-5 J. 5/11 K. -5/11 The main reason i can't figure this out is because I can't remember the slope formula. I need the slope
  17. Algebra

    Not sure on a few of my answers, can you help? 1. Find the slope and y intercept : f(x)=-5x-7 slope = -5 intercept = (0,-7). Is this right? -1/2x=-5/6 my answer was 5/3 was this right? If I have these two sets of coordinate (-4,0) and (0,2) will my slope
  18. algebra

    Find the slope of the line through the given points. (2,4) (6,-3). m=y2-y1 over x2-x1. (-3)-(4) over(6)-(2) -3-4 over 6-2 -7 over 4. I plotted the two coordinates (2,-4) (6)(-3), and the slope is -7 over 4, right? How do you plot the slope? I think you
  19. Math

    I have a series of questions that I did. They lead up to the last question I can't solve. Could you check my math and help me with the last question? Thanks! a) Let a be the point (2,3). Compute the distance from Origin 0 to A answer: a^2 + b^2 = c^2 3^2 +
  20. mathematics

    Let A = (−6, −4), B = (3, 2), and C = (6, 4). (a)These points lie on a line through the origin. Find its slope. (b)Let u be the vector whose components are the x-coordinates of A, B, and C, and let v be the vector whose components are the y-coordinates
  21. Math

    I am really not understanding how to find the slope. I have a graph with the coordinates (-3,3) and (1,-5). If someone could help explain how to find the slope it would be greatly appreciated!
  22. Algebra

    1. Look at the graph {Can't show graph but coordinates are (-1,-2) and (2,1)} The slope of the line is ______. A. Positive * B. negative C. zero D. undefined 2. Find the slope of the line. {coordinates (1,-2) and (3,2)} A. -2 B. 2 * C. -1/2 D. 1/2 3. Find
  23. ALGEBRA/ PLEASE HELP

    Am I correct? Find the slope and the y intercept of y = - 10/3x - 9/2. The slope is -10/3 because this is what is in front of x and the y - intercept is (0, -9/2)? The second question is I need to find the slope of a graph that was provided for me. The y
  24. slope

    Find the slope of the line passing through the given points using the slope formula. Enter the slope in simplest form. Describe the slope as positive, negative, zero, or undefined. (8,2) and (15,9) my answer = 1 the slope is posistive
  25. Calculus Assignment

    Hey there. Okay well I just started first year university and we got an assignment to sorta brush up our rememberance of everything and well...I'm not remebering to well. If anyone can help me with this question that would be great. Thanks. The secant
  26. MATH

    HHHHHEEEEEELLLLLLLPPPPPPPP!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! Find the y intercepts of these please: 1. The slope is: 6/2...3/1...3 2. The slope is: 10/2... 3. The slope is: 2/2...2 4. The slope is: 2/2...2 The formula for a slope intercept is: y = mx +
  27. College Math

    There is a question > Write the slope intercept form of the equation for the line passing through the points (-6,3) and (0,7) Now my answer started with > Slope = 7-3/0-(-6) = Slope = 2/3 Then to find the intercept > Y=mx+c 3= 2/3(-6) + c c= 7 In my
  28. chemistry

    this is for a lab - determining the chemical formula of a hydrate. suppose the hydrate was heated too quickly and some of it was lost of spattered out of the container. explain how hthis would effect a) the calculated percent by mass of water in the
  29. math

    find the equation (in slope intercept form) of the line with the given slope that passes through the point with the given coordinates slope:-5/8, ordered pair (0,1)
  30. math

    how do you graph a linear equasion I BELIEVE ITS Y=MX+B FORMULA AND THE SLOPE FORMULA what? please explain
  31. math

    Show that the formula for a line through two points (a1,b1) and (a2,b2) is: y=(b1-b2)/(a1-a2) * x + (a1*b2-a2*b1)/(a1-a2) The slope part looks right. Could someone explain how the y-intercept part makes sense? I would think that the y-intercept is:
  32. Algebra HELP!!

    Write the equation of the line that contains the points (2, 2) and (-3, 12). Here is part of the answer. Can you identify the missing part? y = -2x + ___ I think it's 12 You've got the slope so use y-y1=m(x-x1) where (x1,y1) is either point. If you use
  33. Algebra

    Doing a slope project in Algebra. The instructions are to make a picture And label coordinates points.. You have to show a negative slope. A verticle slope, an undefined slope, And a positive slope. Here is my problem. I have to write An equation and show
  34. Algebra

    What would be the missing piece of information given the following information: Find the slope of the line that passes through the points (2, 6) and (4, 10). m = ? a. 2 b.6 c. 1 d. 9 I think it is c. Remeber the definition of a slope. It is the change in y
  35. Calculus

    What are the coordinates of the points at which the slope of a function with the equation y=x^4-8x^2 is equal to zero? Please help me to understand how to approach this question.
  36. graphing!

    can someone help me? okay so I am given this : (a) y= x-4 (b) y=2-x I have to graph this manually and find the intersection. okay so I know how to graphi it right with this formula: y=mx+b okay but is the slope how can you tell and what number is the y
  37. math in a way

    Hello my name is Berny. I have been learing slope for 1 week and my professor asked me a question that I don't know. here it is... 1) Why does m stand for slope? 2) Why does b stand for intercept? In the formula y=mx+b
  38. chemistry

    The mass of initial magnesium metal used do not affect calculation of determining the empirical formula. Why? Explain in terms of chemical laws.
  39. a

    For a fixed rate, a fixed principal amount, and a fixed compounding cycle, the return is an exponential function of time. Using the formula, , let r = 10%, P = 1, and n = 1 and give the coordinates (t, A) for the points where t = 0, 1, 2, 3, 4. Round your
  40. MATH!

    What type of lines have a slope of zero? Write the equation of a line with the slope of -2 which contains the point (3,6) The x-axis has 0 slope. What about any other line with 0 slope? Use y-y1=m(x-x1) with m=-2, x1=3 and y1=6 What?? These were your
  41. pre-algebra

    I have two questions about finding the slope of a line. First question: Is the formula Y2-Y1 over X2-X1? Second question: When I am given a line on a graph, how do I find Y1, Y2, X1, X2 to use in finding the slope?
  42. Graph problems!!!

    Ok. so i'm supposed to find the coordinates of a line using the slope intercept method but i don't understand it!!! can some one PLEEAASE help me? also i'm supposed to graph a line using the same method and they give me the coordinates oly its in an
  43. geometry

    prove: the segment joining the midpoints of the two sides of a triangle is parallel to the third side. the coordinates are A(0,0)B(a,0)on the the x axis, and C(c,d), M is midpoint and the coordinates of M is (c/2,d/2) and N is also a midpoint whose
  44. Algebra pt. 2

    Relating back to my question below I think I have it.. I multiplied the coordinates by 2 and got.. V 12 4 W -4 8 X -6 -4 Y 6 -10 Here is my question of the previous post.. The coordinates of quadrilateral VWXY Are given below. Find the coordinates of its
  45. geometry

    the coordinate of p are (-2,5) and the coordinates of q are (6,1). a.what is the slope of pq? b.what is the equation? c.what are the coordinates of the mp of pq? d. what is the eqquation of the perpendicular bisector of pq?
  46. pre algebra

    write an equation for the line through the given points or through the given point with the given slope (5,7),(6,8) (1,2),(3,8) (0,5),(-3,2) (8,11),(6,16) For each of them, use the standard formula (y- y1) = [(y2-y1)/x2-x1)]*(x-x1) In the first case, that
  47. matematics

    What is the formula for finding a y-intersect and slope? i need help thankyou The general formula for a straight line is y = mx + b where m is the slope and b is the y intercept.
  48. Math 7

    1. Look at the graph {Can't show graph but coordinates are (-1,-2) and (2,1)} The slope of the line is ______. A. Positive ** B. negative C. zero D. undefined 2. Find the slope of the line. {coordinates (1,-2) and (3,2)} A. -2 B. 2 ** C. -1/2 D. 1/2 3.
  49. My Daughter Stacy needs help in math plz help!

    You have to find the x and y coordinates:(She doesn't get it and neither do I) 2x + y = 9 The question doesn't go with the equation. I suspect it is a plotting exercise Make a table x y Put in for x 0, 1, 4 Solve for each corresponding y. Then graph the
  50. math

    **Problem 3: Create a linear function (y=mx+b) and graph the line for the following set of data. x | y 2 | 1 4 | 2 6 | 3 First, use the slope formula to find slope: (y2-y1)/(x2-x1) Then, put the slope (m), a 'y' point, and matching 'x' point into the
  51. geology

    Can anyone explain how to draw a topographical profile to me. This is the question that is posted in our material. draw a topographic profile from coordinates F-6.7 to H.5-10 on the Lakeside quadrangle. F-6.7 H.5-10 FEET 4100-------------------------------
  52. chemistry

    Determining a Molecular Formula from an Empirical Formula 1. A compund has an experimental molar mass of 78g/mol. Its empirical formula is CH. What is its molecular formula?
  53. chemistry

    Determining a Molecular Formula from an Empirical Formula 1. A compund has an experimental molar mass of 78g/mol. Its empirical formula is CH. What is its molecular formula?
  54. Statistics

    6)You are given the information that P(A) =0.30 and P(B) =0.40 (a) Do you have enough information to compute P(A or B)? Explain.(events A and B are mutually b) If you know that events A and B are mutually exclusive , do you have enough information to
  55. MATH

    I entered the wrong coordinates in a previous question, i corrected down below. How do I determine which two triangles on a graph are congruent. ∆QRS and ∆DEF or ∆ABC and ∆XYZ. i found the coordinates of both sets: QRS Q(-2,5), R(-2,1), S(-5, 1)
  56. math

    how do i find the slope of line AB if A`s coordinates are(-4,3) and B`s coordinates are (2,-1)
  57. ALGEBRA 2

    The formula for determining simple interest is I = prt. Which equation shows the formula solved for t?
  58. equations of tangents and normals

    hi, i'd really appreciate some help solving this question! I am completely at loss here :/ The question is to: Find the equation of the normal to y=loge(x+2) which is parallel to the line with equation y+3x-5=0 I am fine at solving these sorts of equations
  59. geometry

    1. Which of the following is the correct equation for the Pythagorean Theorem, where a and b are the side lengths and c is the length of the hypotenuse? A. (a-b)^2=c^2 B. a^2-b^2=c^2 C. a^2+b^2=c^2 ******* D. (a+b)^2=c^2 2. Given the following information,
  60. geometry

    1. Which of the following is the correct equation for the Pythagorean Theorem, where a and b are the side lengths and c is the length of the hypotenuse? A. (a-b)^2=c^2 B. a^2-b^2=c^2 C. a^2+b^2=c^2 ******* D. (a+b)^2=c^2 2. Given the following information,
  61. math

    does anybody know what the slope of 20,1 7,-19 Four numbers do not define a slope, unless you consider them as two pairs of (x,y) coordinates. Please be more precise about what you are talking about
  62. Math

    Which of the following is TRUE about the line through the points (–1, 4) and (–1, 2)? Please EXPLAIN/SHOW WORK. A. The slope is undefined B. The slope is negative C. The slope is 0 D. The slope is positive
  63. math

    When determining the slope of a line, what is the correct way to leave the answer? For example, my problem is: Find the slope of the line passing through (-7,9) and (5, -7) After subtracting the y's and the x's,I know the slope is -4/3, but do I leave the
  64. Math for Reiny

    your derivative is correct. now just plug in x = π/2 to get the slope remember that tan(π/2) is undefined, BUT cot (π/2) = cos(π/2) / sin(π/2) = 0/1 = 0 so slope = -csc^2 (π/2) = 2 I calculated and got -1 as the slope. Can you please explain how you
  65. Math for Reiny

    your derivative is correct. now just plug in x = π/2 to get the slope remember that tan(π/2) is undefined, BUT cot (π/2) = cos(π/2) / sin(π/2) = 0/1 = 0 so slope = -csc^2 (π/2) = 2 I calculated and got -1 as the slope. Can you please explain how you
  66. Algerba

    Find slope and y-intercept of following equation y=-3 x -2 knowing the slope of intercept 5 formula is y=mx+b slope is m or -3 y=-3 or m (0) -2 m=slope 5 5 y-intercept = let x=o solve for y y=0-2 y=-2 You can tell by inspecting the equation in the y = mx +
  67. AP Physics

    can you please explain this to me... Were given this eqaution x = At^2 + B were A = 2.10 m/s^2 B = 2.80 m ok and this is an example problem and it's wlking us through it find the instantaneous velocity at t=t2=5.00s equlas the slope of the tangent to the
  68. Calculus

    For the function ƒ(x) = x2 find the slope of secants from the point (2, 4) to each of the following points. (3, __ ) (2.5 , __ ) (2.1 , __ ) (2.01, __ ) (2.001, __ ) Using the pattern from question 1, what do you think the slope of a tangent at the point
  69. word question in algebra

    oh i think i see instead of ft/miles because i changed the 13 miles to ft it would be 0.61 ft/ft An airplane covered 13 miles of its route while decreasing its altitude by 42,000 feet. Find the slope of the airplane's line of descent. Round to the nearest
  70. Trig

    Is this formula continous on the interval (-1,1) h(theta)=(theta)sin(theta) I say no, but could some one explain the process involved in determining this.
  71. Algebra

    4x+y=3 find the slope using the slope form formula y=mx+b slope=rise/run
  72. Geometry

    Find the distance from P and L These have zero slope and unidentified slope and im not sure what to do after that.. Line L contains points (-2,1) and (4,1). Point P has coordinates (5,7) Line L contains points (4,-1) and (4,9). Point P has coordinates
  73. MAT101

    1. What is a function? 2. What is a linear function? 3. What form does a linear function take? (I.e., What is the standard mathematical notation of a linear function?) 4. What is the formula for determining the slope of a line?
  74. math

    Polygon MNOPQ is dilated by a scale factor of 0.8 with the origin as the center of dilation, resulting in the image M′N′O′P′Q′. The coordinates of point M are (2, 4), and the coordinates of point N are (3, 5).The slope of MN is
  75. Geometry

    I need help with vertices! The vertices of triangle FGH are F(1,1), G(3,-5),H(6,0). Find the coordinates of the vertices after a refelection over the y-axis. I'm not sure how to do this. Is there a certain formula I need to know? The reflection across the
  76. math

    i asked this question before but didn't really get a particular answer. A merry-go-round is rotating at the constant angular speed of 3 RPM counterclockwise. The platform of this ride is a circular disk of radius 24 feet. (a) If θ = 34 degrees, what are
  77. Algebra 1

    1. Which line is the flattest (or is less steep)? Why? a.y = 5x -6 b.y = 5x + 6 c.y = x - 3 d.y = x + 3 I think this question has been aswered a couple times, but I'll try again. The slope is given by the number before the x varible. The first two choices
  78. Algebra

    My book uses the slope y-intercept method for graphing. I am trying to graph the following: y>3/2x-5/2 (sign > is greater then or equal to) The way I understand it I would start on the Y axis at 0 and go down 5 and then to the right 2 for the -5/2. Then I
  79. Math

    For the equation y = -6x, what is the slope and y intercept? The formula is y = mx + B. I know that m = the slope and B = the y intercept. So in the equation y = -6x, what is the slope and y intercept? Is -6 the y intercept or the slope? Because if it's
  80. Math

    For the equation y = -6x, what is the slope and y intercept? The formula is y = mx + B. I know that m = the slope and B = the y intercept. So in the equation y = -6x, what is the slope and y intercept? Is -6 the y intercept or the slope? Because if it's
  81. Algebra

    I have an assignment that asks me to write an equation in slope-intercept, point-slope, or standard form for the information given and to explain why the chosen form would be best. Below is the information given. 1. passing through (-1,4) and (-5,2) 2.
  82. Math

    Mulitple Choice Find the slope. A coordinate graph shows a line through 2 points. One point has coordinates negative 3 comma 3. The other point has coordinates 1 comma negative 5. A. 2** B. –one-half C. –2 D. one-half Use the graph below to answer the
  83. Algebra

    Using the slope formula find the slope of the line through the given points (11,0) and (3 -4) what is the slope
  84. graphing question

    how do i get the slope formula of: (4,-1) and (3,-1)? Then the Point slope form:Slope=4,passes through (1,3)?
  85. math

    (In this question the answer is -4, please explain how did they get it) If A and B have coordinates -15 and 11, what is the coordinate of X if X is 4 units farther from B as from A?
  86. maths

    You are asked to write a program for the course calculator to help a fellow student practise changing the subject of a formula. The formula will be of the type Y = AX + B, with different integer values of A and B, and the student is to rearrange the
  87. algebra

    Explain why the point-slope formula cannot be used to find the equation of a line that is parallel to the y-axis.
  88. Pre-algebra

    Explain why the point-slope formula cannot be used to find the equation of a line that is parallel to y-axis?
  89. Math

    The coordinates of P are (-2,5) the coordinates of Q are (6,1). What is the equation of the perpendicular bisector of PQ? *I was able to figure out that the slope of line PQ is -1/2 and the equation of PQ is -1/2x+4=y
  90. Algebra

    Can you please help me with this problem: The x-intercept of a line has a value of -7/6 and a y-intercept of 7. Another line has a slope that is twice the slope of the first line an a y-intercept that is 15 more than the first lines' y-intercept. What is
  91. Geometry Question number 4

    If I have BC = 2x + 1, CD = 3x - 4 and BD = 22,how do I find the value of x? Do you have a triangle? What kind of triangle is it? Your question is incomplete. Or is this part of a question? It looks like a question I have seen before where the first part
  92. Math

    Without graphing (PLEASE DO IT IF NEEDED THIS IS JUST A PRACTICE PROBLEM) tell whether the slope of a line that model s the linear relationship is positive, negative, zero, or undefined. Then find the slope. A babysitter earns $8 for 1h and $40 for 5h. A.
  93. algebra

    Can someon please explain why the point-slope formula cannot be used to find the equation of a line that is parallel to the y-axis. Thanks
  94. Math

    Write the standard form of the equation of the line through the given point with the given slope. through: (3, 5), slope = 5/3 I'm using the point-slope formula of y-y1=m(x-x1) y-y1=m(x-x1) y-5=5/3(x-3) y-5=5/3x-15/3 y-5=5/3x - 5 y-5+5=5/3x -5+5 y=5/3x
  95. math,correction

    the problem states. find the slope of any line perpendicular to the line through points (3,3) and (2,8). so did the formula m= (y2-y1)/(x2-x1) and from it i got -5 so the slope is -5 and anyline perpendicular to this sloe would be positive 5 is that
  96. Math

    Write the slope intercept form fo an equation of the line that passes through the given point and has the given slope 1. Point (1,1) Slope 1/4 Formula y-y1=m(x-x1) Answer : y=1/4x+0
  97. math

    y=mx t b ax t by=c ax t by t c= 0 Need every question for all 3 above how do u do these im so confused i need help! thanks 8) Through (4,0) and slope of -1 0) through (4,5) with slope -8 10) through (-2,4) with slope 7 over 3 11)through (-2,-1) with slope
  98. math

    a straight line passing through the origin with slope m cuts the circle x^2+y^2-4x-2y-4=0 at A(a,b) and B(b,c). A. Find a quadratic equation whose roots are a and c ans: (1+m^2)x^2-(2m+4)x-4=0 B. if P is the mid-point of AB, find the coordinates of P in
  99. Math

    Why can't the slope of a line be expressed as a decimal or a fraction? The slope of a line should be expressed as a fraction. The formula is Rise over Run. Rise is how much further up u go and run is how much further across do u go. Does that answer your
  100. physics

    I'm making a graph of force vs stretch for springs. I have 7 data trials with the k (F = kx) ranging from 28 to 31, average is 29.6. Now I need to find the slope and write an equation for the graph. If I use the first two points to get the slope, I get a

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