MATHEMATICS MIDDLE SCHOOL

What is the slope of a line perpendicular to the line y=8x+1

Answers

Answer 1
Answer:

Answer:

Slope of a line perpendicular to the line y=8x+1 is (-1)/(8)

Solution:

Given y=8x+1

The slope - intercept form equation of line is given as

y = mx + c --- eqn 1

Where m is the slope of the line.  

The coefficient of “x” is the value of slope of the line.

"c" is the y – intercept which is the value of y at the point where the line crosses the y-axis

From question, given that y = 8x + 1

Comparing the given equation y=8x+1 with equation 1, we get  

m = 8 and c = 1

The equation of a perpendicular line to y=8x+1 must have a slope that is the negative reciprocal of the original slope.

\mathrm{m}_{\text {reciprocal }}=-(1)/(8)

Hence the slope of the line perpendicular to the line y=8x+1 is  (-1)/(8)

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when you rotate something 180 degrees in a coordinate plane the values become (-x, y). what if y was already negative?

Answers

I think it would become (-x -y)

Is 38.5 mm bigger than 10 cm?

Answers

Well, if you use KHD---DCM, or King Henry does --- dives catching mice or, Kilometers,Hectometers,Dekameters,base,Decimeters,Centimeters, Millimeters. So you see that Millimetres are after Centimeters so, 10 cm is bigger than 35.5mm

75% of 124 is what number a?

Answers

the correct answer  is 93 , 

i hope this helps
You take 75% and turn it into a decimal (0.75). Then you multiply 0.75 by 124 = 93

Solve.
8+h>2+3h
A) h>3
B) h>4
C) h<3
D) h<4

Answers

8 + h > 2 + 3h
h - 3h > 2 - 8 . . . . . . . . (collecting like terms)
-2h > -6
h < -6/-2 . . . . . . . . (> changes to < when you divide with negative number and vice-versa)
h < 3 (i.e. the third option)

800 is 10 times as much as

Answers

It's 10x8 which equals80
It's really simple. 800 is 10x of 80.  

800/10 = 80

(2x-20) + 86 what is the the value of x

Answers

When (2x-20)＋86＝0
2x-20＝-86
2x＝-46
x＝-23
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