Mathematics · Functions and Graphs
For a parabola defined by the equation y = x 2 , which of the following statements is correct?
- 1For every value of y, there are two values of x, one positive and one negative.
- 2For any negative value of x, y is always positive.✓
- 3For positive x, y is always negative.
- 4For each value of x, there are two values of y.
Correct answer
For any negative value of x, y is always positive.
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