Mathematics for IGCSE & O level - Sketching Curves (Section 3 - No. 37)
In the sketch of \(y=5-x^2\), which is true of the curve?
The curve will open upwards
It will cross the x-axis at x=5
It will cross the y-axis at y=5
It will only intersect the x-axis at one point.
Explanation
At x=0, y=5, hence crosses the y-axis at y=5
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