At which point does the straight line y = x + 7 intersect X – axis ?
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)
4 views
2 Answers
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).
4 views
Answered