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3 years ago

What is the equation of the line that passes through the point (8,-3) and has an undefined slope?

Mathematics

1 answer:

BARSIC [14]3 years ago

8 0

Answer:

x = 8

Step-by-step explanation:

A line with "undefined" slope is a vertical line, whose equation is of the form ...

x = constant

In order for the line to go through a point with an x-coordinate of 8, the constant must be 8.

x = 8 . . . . . a vertical line through (8, -3)

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Viktor [21]

Answer: look it up bro

Step-by-step explanation:

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2 years ago

Write the equation of a parabola with a vertex and (-5, 2) and a directrix y = -1

mrs_skeptik [129]

Answer:

y=(x+5)²/6 + 1/3

Step-by-step explanation:

Use the distance formula to plug in the values you know:

√(y+1)² =√(x+5)² +( y-2)²

the square roots cancel out

(y+1) ²= (x+5)² +(y-2)²

(y+1) (y-1)= (x+5)² + (y-2) (y-2)

y²+2y+1= (x+5)² + y² -4y+4

the y² cancel out

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6y= (x+5)² +3

y= (x+5)² /6+ 1/3

4 0

3 years ago

What does Descartes' rule of signs tell you about the possible number of positive real zeros and the possible number of negativ

Sergio039 [100]

Answer:

3 or 1 positive real zeros
0 negative real zeros

Step-by-step explanation:

The signs of the coefficients of the given terms are ...

+ - + -

There are three sign changes, so the number of positive real zeros is 3 or 1.

When odd-degree terms have their signs changed, the signs become ...

- - - -

There are no sign changes, hence no negative real zeros.

_____

A graph confirms this evaluation.

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3 years ago

Square root x^5 y^3 z^2<br> Simplify the following

rewona [7]

That's the furthest it can be simplified.

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2 years ago

Read 2 more answers

What is 938/6 and 762/4

Brut [27]

156 and 381/2. I believe all they want you to do is divide.

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2 years ago