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bekas [8.4K]
3 years ago
14

Express x^2+4x-7 in the form (x+a)^2-b where a and b are integers

Mathematics
1 answer:
lukranit [14]3 years ago
4 0

Answer:

(x + 2)^2 - 11.

Step-by-step explanation:

f(x) = x^2 + 4x - 7

Now x^2 + 4x = (x + 2)^2 - 4 so we have:

f(x) = (x + 2)^2 - 4 - 7

f(x) = (x + 2)^2 - 11.

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bezimeni [28]
If you're looking for the answers it would be x= 5/4, 2, 11/4
8 0
3 years ago
Sam deposits $1,000 into an account that pays 6% simple interest annually. He plans to take the money out after 3.5 years. What
lara31 [8.8K]
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When you multiply them together, you get 

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5 0
3 years ago
Read 2 more answers
Moana sold
Evgesh-ka [11]

9514 1404 393

Answer:

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  • Afa: 27 calendars

Step-by-step explanation:

Let c represent the number of calendars sold. Then 95-c is the number of seed packets sold. The total revenue is ...

  0.65(95-c) +1.50c = 84.70

  0.85c = 22.95 . . . . . . . . . . . . subtract 61.75

  c = 27

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Moana sold 68 seed packets; Afa sold 27 calendars.

5 0
3 years ago
As a salesclerk, you earn $75 per week plus $2 per sale. You want your weekly
Alexxandr [17]
The correct answer is c. i hope this helped!!
5 0
3 years ago
6) The perimeter of triangle ABC is 32 inches. Side B is 4 inches shorter than side A. Side C is twice as long as Side A. What i
Ivenika [448]

Answer:

The length of side A is 9 inches.

Step-by-step explanation:

B= A-4

C= A×2

B= 9-4

C= 9×2

B= 5

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A= 9 inches

B= 5 inches

C= 18 inches

3 0
3 years ago
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