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katovenus [111]
3 years ago
9

Which polynomial could have the following graph?

Mathematics
2 answers:
zubka84 [21]3 years ago
8 0
Hi,
Roots are 2, -1,-3.So y=(x-3)(x+1)(x+3)
Answer B
babunello [35]3 years ago
8 0

Answer: y=(x-2)(x+1)(x+3)

Step-by-step explanation:

From the given graph, it can be seen that the x intercepts of the graph are

x=-3,\ x=-1,\ x=2

It implies the value of y at the above points must be zero.

[x-intercept is of the form (a,0), where the value of y is zero.]

It implies x=-3,\ x=-1,\ x=2 are the zeroes of the polynomial graphed.

It implies (x-2),\ (x+1),\ (x+3) are the factors of the polynomial graphed.

[By Factor theorem]

Thus the polynomials should be :  y=(x-2)(x+1)(x+3) which is the correct polynomial for the given graph.

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Your patio is 12 feet by 15 feet. After remodeling, the new dimensions are 18 feet by 22 feet. By how many square feet have you
Mashutka [201]
<h3>Answer:  216 square feet</h3>

Work Shown:

Old area = 12*15 = 180 square feet

New area = 18*22 = 396 square feet

Difference = New - Old = 396 - 180 = 216

The patio's area increased by 216 square feet.

8 0
2 years ago
-3(x + 4) = (-x - 1)
zaharov [31]

Answer:

x=-5.5

Step-by-step explanation:

-3(x+4)=(-x-1)

1. Distribute

-3x+(-12)=-x-1

2. Simplify

-3x-12=-x-1

-2x-12=-1

-2x=11

x=-11/2

x=-5.5

4 0
3 years ago
Read 2 more answers
Omar wants to purchase a bike helmet for 22.55 and a bike for 134.45.
noname [10]

Answer:

$169.96 dollars

Step-by-step explanation:

Given the following questions:

8.25% of 22.55 and 134.45

In order to find the answer, we will have to add the initial costs of the items together, then we will calculate using the formula for percentages to find the tax rate.

22.55+134.45=157
157

<u>Calculate the percentage:
</u>\frac{p\times c}{100}
\frac{8.25\times157}{100} =8.25\times157=1295.25\div100=12.9525
=12.9525
12.9525
2 < 5
=12.96

<u>Add the sales tax:</u>
157+12.96=169.96
=169.96

Which means the two items along with an 8.25% sales tax costs "$169.96 dollars."

Hope this helps.

5 0
2 years ago
Which of the following is an irrational number?
stepan [7]

Answer:

7.25252525

Step-by-step explanation:

Irrational numbers are numbers that never end, therefore 7.25 is an irrational number. also, none of the other ones are never ending

8 0
3 years ago
What is the value of h?
nekit [7.7K]

Answer:

10ft

Step-by-step explanation:

3 0
2 years ago
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