Help!! Definate Medal!!!
Which lines are perpendicular to 5x + 4y = 8?
Choose all answers that are correct.
4y= 5x + 12
5y = 4x + 15
5y = –4x – 15
My answer is 4y=-5x+4.. what do you think
Stacey Warren - Expert brainly.com
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first write the equation as
y = mx +b
the value m is the slope of th eoriginal line
all perpendicular lines will have slope = -1/m
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y = mx +b=4y=-5x+8
you need to show some work - otherwise you can just guess all 4 until I say...
what is the slope of the original line?
then - what is the slope of any perpendicular line..?
No I wasn't guessing all 4 -.-, you asked me to rewrite the equation in the formula y = mx +b so i did and i wanted you to take me from there.
cause im kinda confused
Slope is −5/4
Y = 2 @MrNood
but im confused from there..:(
@Hero help please
OK so slope of original line is -5/4
and so the slope of any perpendicular line is -1/m
-1 /(-5/4) = 4/5
so which of the answer options has a slope of 4/5?
(hint - the offset value i.e. the constant number does not affect the slope or answer....)