Designed to accompany the Pearson Pure Mathematics Year 1/AS textbook.
P1 Chp3 on the 4th slide it says there are 2 errors in the textbook on page 39. what are they?
Slide 4: Every value example is
xÂ² + x = x(x - 1)
xÂ² + x = x(x + 1)
Set Builder Notation (2nd slide), set of all even numbers.
In words, I would say: "All values 2x ..." or "All numbers 2x ..." instead of "All expressions 2x ..." because the elements of the set are numbers, not expressions.