Determine the equation of the straight line with gradient 3 that passes through .
Answer and explanation
Correct answer: D.
- Step 1: Use : .
- Step 2: Simplify: .
Answer
.
Why not the others: : the gradient times x0 was added instead of subtracted. : the sign of the gradient was reversed. : the y-coordinate was used directly as the y-intercept.
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More Analytical and Euclidean geometry questions
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