How do i find the slope of a line that passes through a given point and is parallel or perpendicular to another given point?

Answers

Answer 1

Answer:
There's no such thing as parallel or perpendicular "to a point". A problem like that
will always want the new line to be parallel or perpendicular to another line.

-- If the new line is parallel to the given line, then they have the same slope.

-- If the new line is perpendicular to the the given line, then the slope of the
new line is [ 1 / slope of the given line ].

In either case, you now have the slope of the new line and a point on it.
From there, you should have no trouble finding its equation.

Answer 2

Answer: Parallel is same slope.
Perpendicular is same slope but you have make it opposite and flip it.
For example if your slope is 2/3. For Perpendicular it would be - 3/2.

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A tv has height ratio 3:4. In a scale drawing the height is 4.5cm what would the width be?

Answers

4.5 ÷ 3 = 1.5
This means that the ratio has increased by 1.5

Since anything multiplied on one side of a ratio has to be multiplied on the other side too, we multiply 1.5 by 4:
1.5 X 4 = 6

The width would be 6cm

Tanx+ square root of 3=0

Answers

$tanx+\sqrt3=0\n\ntanx=-\sqrt3\iff x=-(\pi)/(3)+k\pi\ \ \ (k\in\mathbb{Z})$

Is .05 greater than 1/20

Answers

No, they are both the same.

6+3{[4-2(4-7)]}=
I need answer this whit steps.

pls.

Answers

Step-by-step explanation:

6+3((4-2(4-7))

1. 6+3((2(4-7))

2. 6+3((2(*-3)

3. 6+3(-6)

4. 6+(3*-6)

5. 6+-18

6. -12

I need to find a b and c please help

Answers

Answer: a=4, b=16, c=12

Step-by-step explanation:

Use the intercept form: a(x - p)(x - q) where p & q are the intercepts.

Given: p = -3, q = -1, and y-intercept (c) = 12

a[x - (-3)][x - (-1)]

= a(x + 3)(x + 1)

= a(x² + 4x + 3)

= ax² + 4ax + 3a

y-intercept = 12

3a = 12

a = 4

Substitute a = 4

4x² + 4(4)x + 3(4)

= 4x² + 16x + 12

How do I have to interpret the 2 in the next log?Is it the same as saying (logx)^2?

I need to calculate the derivative of this function but it will be difficult without even knowing what the 2 means lol.

Thnx in advance
$log^2 x$

Answers

It means you have to multiply log(x) by itself.

$(d)/(dx)(log(x))^2 \n (d)/(d(log(x)))(log(x))^(2) * (d)/(dx)(log(x)) \n 2log(x) * (1)/(ln(10)x) \n (2log(x))/(ln(10)x)$

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