Straight line graphs

    Cards (12)

    • Work out the gradient of the line joining (2,-3) and (6,5)
      -2
    • Work out the gradient of the line with the points (1/2,2) and (3/4,4)
      2
    • The line joining (c,4) to (7,6) has a gradient of 3/4 find out the value of c
      4 1/3
    • A(7,4) and B(2,0) point c has the coordinates (2,t) where t>0, and AC=AB find t
      8
    • c = 9
    • if a = 9, what is the answer to b?
      b = 2y-15x+50=0
    • straight line passing through the points (–2, 5) and (5, –1) The line crosses the x axis at point A, the y axis at point B and O is the origin. (b) Find the area of triangle AOB.
      52984\frac{529}{84}
    • The points A and B have coordinates (–1, k + 2) and (2k – 3, 8) where k is a constant. Given the gradient of AB is 13\frac{1}{3} what is k?

      4
    • The points A and B have coordinates (–1, k + 2) and (2k – 3, 8) where k is a constant. Given the gradient of AB is 13\frac{1}{3}Find the equation of the line the passes through A and B.

      y= 13\frac{1}{3}x + 193\frac{19}{3}
    • The points A and B have coordinates (–1, k + 2) and (2k – 3, 8) where k is a constant. Given the gradient of AB is 13\frac{1}{3}Find the equation of the perpendicular bisector of A and B. Give your answer in the form ax + by + c = 0

      3x + y -13=0
    • The points A and B have coordinates (–1, k + 2) and (2k – 3, 8) where k is a constant. Given the gradient of AB is k13\sqrt{13}
      k = 2
    • The line l1 has the equation 5x + 2y – 4 = 0 The line l2 has the equation x – 4y + 1 = 0 Find the coordinates of the point where l1 and l2 intersect
      (711\frac{7}{11},922\frac{9}{22})