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1.3.2 Coordinate geometry in the (x, y) plane

What does a positive gradient show about a line?

A

It rises from left to right.

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​​​.

C

The output change per one-unit input increase.

D

Its gradient is undefined, and yyy is not single-valued.

1.3.2 Coordinate geometry in the (x, y) plane Flashcards

  1. A Level
  2. /Maths
  3. /1.3.2 Coordinate geometry in the (x, y) plane

Flashcards for WJEC A Level Maths 1.3.2 Coordinate geometry in the (x, y) plane, covering the key formulae, methods and definitions you need to recall for AS Unit 1, AS Unit 2, A2 Unit 3 and A2 Unit 4. 24 cards, matched to the WJEC A Level Maths (1300QS) specification. Recall questions account for roughly 50% of marks at A Level Maths, so these target the marks you can secure before the paper starts.