Which statement is true about the graphs of the two lines y = –6 and x =1/6 ?
2 answers:
Answer:- The lines are perpendicular to each other because the graph of y = –6 is a horizontal line with a slope that is undefined, and the graph of x = 1/6 is a vertical line with a slope of 0.
Explanation:-
The x -axis is a horizontal line with the equation y=0. Its slope is 0
The y -axis is a horizontal line with the equation x=0 . Its slope is not defined.
y=-6 is a horizontal line and is parallel to x axis.
∴Its slope is 0. [slope of parallel lines are equal]
x=1/6 is a vertical line parallel to y-axis.
∴ Its slope not defined. [slope of parallel lines are equal]
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Answer:
Option B.
Step-by-step explanation:
It is given that ΔSRQ is a right angle triangle, ∠SRQ is right angle.
RT is altitude on side SQ, ST=9, TQ=16 and SR=x.
In ΔSRQ and ΔSTR,
(Reflexive property)
(Right angle)
By AA property of similarity,
Corresponding parts of similar triangles are proportional.
Substitute the given values.
On cross multiplication we get
Taking square root on both sides.
The value of x is 15. Therefore, the correct option is B.