mark takes a 40 question test for which he receives 2.5 for each correct answer and losses 1 point for each wrong answer. If mar
2 answers:
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Answer:
Step-by-step explanation:
(1) A typical form of equation of a line is:
with, is slope and
is y-intercept.
(2) Another straight line has equation in form of:
with is slope and
is y-intercept
(3) If these two lines are perpendicular, according to the property of two perpendicular lines on the two-dimensional plane, we have:
x
= -1
(4) Transform the given equation of original line into typical form:
<=>
<=>
<=>
=>
=>
=> Option D: is correct (Slope =
)
Hope this helps!
:)
A) triangle c, has the largest area
b) a= 1/2 (3) (3) a= 4.5
the picture shows what i mean hope this helps :)
b) a= 1/2 (3) (3) a= 4.5
the picture shows what i mean hope this helps :)
