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1.6.1 Equation of a straight line

Card 1 of 25

For two points (x1,y1)(x_1,y_1)(x1​,y1​) and (x2,y2)(x_2,y_2)(x2​,y2​), the gradient is [...]\text{[...]}[...]. A line with gradient mmm through (x1,y1)(x_1,y_1)(x1​,y1​) has equation y−y1=m(x−x1)y-y_1=m(x-x_1)y−y1​=m(x−x1​).

A

The rate of change of yyy with respect to xxx.

B

For two points (x1,y1)(x_1,y_1)(x1​,y1​) and (x2,y2)(x_2,y_2)(x2​,y2​), the gradient is m=y2−y1x2−x1\boxed{m=\frac{y_2-y_1}{x_2-x_1}}m=x2​−x1​y2​−y1​​​. A line with gradient mmm through (x1,y1)(x_1,y_1)(x1​,y1​) has equation y−y1=m(x−x1)y-y_1=m(x-x_1)y−y1​=m(x−x1​).

C

A £3 fixed booking fee.

D

y=3x−1y=3x-1y=3x−1

Card 1 of 25

1.6.1 Equation of a straight line Flashcards

  1. A Level
  2. /Maths
  3. /1.6.1 Equation of a straight line

25 flashcards on AQA A Level Maths 1.6.1 Equation of a straight line: the key formulae, methods and definitions you need to recall for Paper 1, Paper 2 and Paper 3.

Flashcards