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stepladder [879]
3 years ago
8

The graph shows a function. Find the value of b and d.

Mathematics
1 answer:
True [87]3 years ago
5 0

Answer:

<em>The required values are b=-6 and d=4</em>

Step-by-step explanation:

The graph corresponds to the function

r(x) =x^2+bx^2+8x+d

We are required to find the values of b and d.

They can be found by using two points that are clearly visible on the graph. For example, the points (0,4) and (2,0) belong to the function. Substituting their values in the function:

4 =0^2+b*0^2+8*0+d

Simplifying:

4 = d

d = 4

Now use the point (2,0):

0 =2^2+b*2^2+8*2+d

Since d=4, and calculating

0 =4+4b+16+4

Simplifying:

4b = -24

Dividing by 4:

b = -24/4 = -6

b = -6

The required values are b=-6 and d=4

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Answer:

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Step-by-step explanation:

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8 0
3 years ago
The area of a room is 600 square feet. The length is (x+2) feet and the width is (x+3) feet. Find the dimensions of the room
m_a_m_a [10]
Create an equation using the formula for area of a rectangle; area = width * length
(X + 2)(x + 3) = 600
Multiply the dimensions.
X^2 + 3x + 2x +6 = 600, or simplified x^2 +5x + 6 = 600.
Subtract 600 to get the following:
X^2 + 5x - 594 = 0
Factor by x:
(X - 22)(x + 27) = 0
Solve for x
X - 22 = 0
X = 22.
Use the POSITIVE VALUE of x as you can’t have a negative area for a room.
Then substitute 22 for x to get the dimensions
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6 0
3 years ago
Help me! :( will appreciate any type of help
KengaRu [80]

Answer:32

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8 0
2 years ago
Find the sum of 8 + 11 + 14 + ... + 602 + 605.
Sedbober [7]

Answer:

1,240

Step-by-step explanation:

Okay so, 8+11=19 then 19+14= 33. 33+602= 635 Finally, 635+605 should = 1,240.

8 0
3 years ago
Read 2 more answers
(m + n^2)(m^2 - mn^2 + n^4) = find the product of the expression.Show your work.
hram777 [196]
Final Answer is 4n-32/(n-4)(n+4)
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