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At which point does the straight line y = x + 7 intersect X – axis ? A) (7, 0) B) (0, 7) C) (0, -7) D) (-7, 0) |
Answer» Correct option is (D) (-7, 0) On X-axis, y-coordinate of any point is zero. \(\therefore\) Put y = 0 in equation y = x+7 to get the intersecting point with X-axis. \(x+7=0\) \(\Rightarrow x=-7\) Hence, straight line y = x+7 intersect X-axis at point (-7, 0). Correct option is D) (-7, 0) |
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