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Question
Which of the following graph represents y=−x2?
Which of the following graph represents y=−x2?
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Solution
The correct option is D
Since in the equation y=−x2, a is less than 0, the curve always opens downward.
Let's Verify it by plotting the graph of y=−x2.
For plotting y=−x2, assign different integer values to x from -2 to 2.
x−2−1012x241014−x2−4−10−1−4
Plot the points (-2, -4), (-1, -1), (0, 0), (1, -1), (2, -4) we get
Since in the equation y=−x2, a is less than 0, the curve always opens downward.
Let's Verify it by plotting the graph of y=−x2.
For plotting y=−x2, assign different integer values to x from -2 to 2.
x−2−1012x241014−x2−4−10−1−4
Plot the points (-2, -4), (-1, -1), (0, 0), (1, -1), (2, -4) we get
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