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AnnZ [28]
3 years ago
7

How do the signs of b and c in standard form, x2 + bx + c, affect the signs of p and q in factored form, (x + p)(x + q)?

Mathematics
2 answers:
Ostrovityanka [42]3 years ago
6 0

They affect the signs of p and q in different ways.

Firstly, if c is negative, it means that p and q have opposite signs.

If c is positive, then it means that p and q have the same signs. However, to determine whether they are both positive or both negative, we then have to look to b. If b is negative, both p and q would be negative. If b is positive, then both p and q are positive.

mart [117]3 years ago
5 0

Answer:

If b and c are positive,both p and q are positive,but if b and c are negative then p and q are negative too.

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What is the slope of the line passing through the points (0, 4) and (-8, -1)?
Bas_tet [7]

Answer:

0.625

Step-by-step explanation:

Given the points :

(0, 4) and (-8, -1)

x1 = 0 ; y1 = 4

x2 = - 8 ; y2 = - 1

Slope, m = rise / run

Rise = y2 - y1 = - 1 - 4 = - 5

Rise = x2 - x1 = - 8 - 0 = - 8

The slope, m = - 5 / - 8

Slope, m = 0.625

7 0
3 years ago
Find the area of the shaded region. ​
densk [106]

[1]

A1 = (h (a + b)) / 2

A1 = (21 (17 + 32)) / 2

A1 = (21 x 49) / 2

A1 = 1,029 / 2

A1 = 514.5 mm²

[2]

A2 = (b x h) / 2

A2 = (11 x 9) / 2

A2 = 99 / 2

A2 = 49.5 mm²

[3]

The area of the shaded region =

A1 - A2 =

514.5 mm² - 49.5 mm² =

465 mm²

The answer is 465 mm².

4 0
3 years ago
How do I make a table for x = 2
postnew [5]
What kind of table?
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3 0
3 years ago
Tanya is making homemade greeting cards the data table below represents the amount she spends in dollars f(x) in terms of the nu
Olenka [21]
The function that best represents the data is y = 0.75x + 4.5. The slope in this case represents the increase in the amount she spends in $ due to the number of cards she makes. The intercept with the Y axis (4.5) means that she has an expense of 4.5 $ without having made any card yet.
4 0
3 years ago
What number have the absolute value of 8
Agata [3.3K]

Answer:

4

Step-by-step explanation:

half of 8 is 4 . a absolute value you halfing the number

4 0
3 years ago
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