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Ugo [173]
2 years ago
11

Which point on the graph best represents the location of left parenthesis minus 4.5 comma space minus 7 right parenthesis ?

Mathematics
2 answers:
Aleks [24]2 years ago
7 0

Answer:

The answer is B

Step-by-step explanation:

Anna11 [10]2 years ago
6 0

Answer:

The answer will be A because you start at 4 and in between 4 and 5 you will go up to 7 and that will be your answer

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The graph of the function f(x) = (x + 2)(x + 6) is shown
Vitek1552 [10]

Answer:

The function is negative for all real values of x where

-6 < x < -2.

Step-by-step explanation:

f(x) = (x +2)(x + 6)

 x + 2 = 0    or   x + 6 = 0

x = -2     or x = -6

 After graphing the function is negative between -6 < x < -2

7 0
2 years ago
What is the equation of the line
Sphinxa [80]

x = 0

................

7 0
3 years ago
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A hotel has 480 rooms. Of these rooms, 4/5 are non-smoking. How many rooms are ... a. nonsmoking? b. smoking?
Anestetic [448]
Answer: 384
There are 384 smoke free rooms.
7 0
2 years ago
The number 363636 is 333 times as many as 121212.
xenn [34]

Answer:

363636=333*121212

Step-by-step explanation:

3 0
3 years ago
I need help PLEASE!!!
Stella [2.4K]

9514 1404 393

Answer:

  y = -4/3x +23/2

Step-by-step explanation:

The tangent of interest is perpendicular to the radius at the given point on the circle. To find the perpendicular, it helps to know the slope of the radius segment. To find that, we need the center of the circle.

The center of the circle can be found by completing the square for each variable.

  (x^2 -2x) +(y^2 +4y) = 20

  (x^2 -2x +1) +(y^2 +4y +4) = 20 +1 +4

  (x -1)^2 +(y +2)^2 = 25

Comparing this equation to the standard form equation for a circle, we can find the center.

  (x -h)^2 +(y -k)^2 = r^2 . . . . . . . circle of radius r centered at (h, k)

The center of circle P is (1, -2).

__

The slope m' of the line segment between (1, -2) and (5, 1) is given by ...

  m' = (y2 -y1)/(x2 -x1)

  m' = (1 -(-2))/(5 -1) = 3/4

The slope m of the perpendicular line is the opposite reciprocal of this, so is ...

  m = -1/m' = -1/(3/4) = -4/3

The y-intercept of the desired line can be found from ...

  b = y -mx . . . . . . . for m=-4/3 and (x, y) = (5, 1)

  b = 1 -(-4/3)(5) = 23/3

Then the equation of tangent line AB is ...

  y = mx +b

  y = -4/3x +23/3

6 0
2 years ago
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