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3 years ago

PLEASE HELP!!!!!!!!!!!!!!!!! Write the equation of the line perpendicular to y=3/4x+9/4 that passes through the point (-5, 2)

Mathematics

1 answer:

Artyom0805 [142]3 years ago

8 0

Answer:

y = -4/3x - 6

Step-by-step explanation:

1. Find the slope. Since we know that a line perpendicular to another is it's opposite reciprocal, or the product of the two is equal to -1, we can find the slope. -4/3 times 3/4 is -1, so -4/3 would be the slope of this line.

2. Plug in the point and slope into the slope-point equation. The equation would be y - 2 = -4/3 * (x + 6).

3. Simplify. The simplified equation would be y = -4/3x - 6.

Answer: y = -4/3x - 6

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3 years ago

Eric was rock climbing. At one point, he stopped and climbed straight down 2 1/2 METERS

sasho [114]

Answer:

$+4\frac{1}{4}$ meters

Step-by-step explanation:

Let's take climbing down as "negative" and climbing up as "positive". Now, we can simply use the numbers and signs to find the change in elevation.

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So, now we have: $-2\frac{1}{2}+6\frac{3}{4}\\=-\frac{5}{2}+\frac{27}{4}\\=\frac{-5(2)+27}{4}\\=\frac{-10+27}{4}\\=\frac{17}{4}=4\frac{1}{4}$

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3 0

3 years ago

Read 2 more answers

I only need the step by step process I know the answer. emergency someone please answer! Will mark best answer

Leokris [45]

Step-by-step explanation:

1. y=(x-2)²-9

Using Formula (a-b)²=a²-2ab=b²

y=(x²-4x+4)-9

y=x²-4x-5

Using Mid term Break

y=x²-5x+x-5

y=x(x-5)+1 (x-5)

y=(x+1)(x-5)

2. y= -(x-5)²+16

Using the same formula as above

y= -(x²-10x+25)+16

y= -x²+10x-25+16

y= -x²+10x -9

Taking (-) as Common

y= -(x²-10x+9)

y= -(x²-9x-x+9)

y= -[x(x-9)-1(x-9)]

y= -(x-1)(x-9)

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3 years ago