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Zigmanuir [339]
2 years ago
14

In which situation would you most likely factor out -1 from a trinomial?

Mathematics
2 answers:
yanalaym [24]2 years ago
8 0

B) when the coefficient of x^2 is negative

Aleonysh [2.5K]2 years ago
4 0

Answer:

  when the coefficient of x^2 is negative

Step-by-step explanation:

Suppose if we have a trinomial  x^2 - 5x+6

We can factor this trinomial by finding two factors whole product is +6 and add upto -5

Suppose we have a trinomial -x^2 +5x-6

Here factoring is not possible directly

so we need to factor out  negative from x^2

To factor any trinomial x^2 should be positive

So we factor out -1 when the coefficient of x^2 is negative

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PLEASE HELP..... I WILL GIVE BRAINLIEST!!
Yakvenalex [24]
For the first part:

Every shirt she grabs, will cost her dollars, so if she grabs 3 shirts, then the cost of the shirts is:

12+12+12=3(12)

With the same rationale, if she grabs 2 pairs of jeans, the cost of the jeans is:

19+19=2(19)

So, her total is:

3(12)+2(19)

If you subtract 3 from the total, then the expression is:

3(12)+2(19)-3=36+38-3=71

For the second part:

If she's paying 3 less for each shirt, then the cost of 3 shirts will become:

(12-3)+(12-3)+(12-3)=3(12-3)

In the same fashion, for the two jeans:

(19-3)+(19-3)=2(19-3)

So the expression for the total cost is:

3(12-3)+2(19-3)=36-9+38-6=59

For number three:

The amounts are different because the cost of the total purchase is different than the cost of each element that makes up the total purchase.

For number four:

If you're the owner, you want to give the smallest amount of discount (the one in part 1/a).

So you could clarify by saying there's 3 dollars of the TOTAL purchase's cost.
6 0
3 years ago
I need help with this plz
Morgarella [4.7K]

Answer:

i would go with B

Step-by-step explanation:

I'm not too sure I'm so sorry but thats my closest guess

8 0
2 years ago
3. What is the radius of a circle whose area is 64π cm squared?
nataly862011 [7]

Answer:

Area = 64π

Area \: = \pi {r}^{2}Area=πr

2

64 \: \pi \: = \pi {r}^{2}64π=πr

2

{r}^{2} = \dfrac{64\pi}{\pi}r

2

=

π

64π

{r}^{2} = 64r

2

=64

r \: = \: \sqrt{64} = 8r=

64

=8

Radius = 8 units

Finding the Diameter -

Diameter = Radius x 2 = 8 x 2 = 16 .

\bold{Diameter \: is \: 16 \: units}Diameteris16units

8 0
2 years ago
What is the value of the angle marked with xxx?
Mice21 [21]
I have no clue what to answer 9
5 0
2 years ago
19 Kayla's car can hold 15 gallons of gas. She gets 20.5 miles per gallon The tank is full. About how far can Kayla drive if she
Nata [24]

Answer:

D

Step-by-step explanation:

6 0
3 years ago
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