Discussion about math, puzzles, games and fun. Useful symbols: ÷ × ½ √ ∞ ≠ ≤ ≥ ≈ ⇒ ± ∈ Δ θ ∴ ∑ ∫ • π ƒ -¹ ² ³ °
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Ah, so you did mean a slope of -3/2 after all.
I think I've been ignoring the - on the gradient and am visualising a reflection of the line.
The book is often wrong, will you be my A level tutor instead?
The book is wrong.
I did indeed get to that but the gradient is supposed to be an integer (whole number).
All of that's right, and then you just have to finish it off by multiplying out of brackets.
I've figured out how to do this just fine but I have one small problem.