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Yuri [45]
3 years ago
13

Help with Algebra questions? I will Mark brainliest!

Mathematics
2 answers:
kondaur [170]3 years ago
8 0

Answer:

Step-by-step explanation:

1)  First graph is correct! Because clearly, the roots are visible, and it's a 3rd degree polynomial, so it can't be bottom twos, cuz they're parabolas.

2) Roots are at -6, -2 and 3. (If you need further assistance on this, let me know!) Hence, It is the last graph!

3) Roots are at -4, -2 and 2, (Again, if you need assistance, let me know!)

Hence, it is the first one!

Hope this cleared things up for you!

Anastaziya [24]3 years ago
5 0

Answer:

1) The degree of the polynomial function f(x) is 3, because it has three roots when f(x) = 0. Remember that the degree of a polynomial is dictated by the number of roots it has. (first graph)

2) The graph that represents g(x)=x^{3}+5x^{2}  -12x-36 is attached. There you can observe that the roots of this functoin are x=-6, x=-2 and x=3. The right choice is the graph placed at the bottom-right side.

3) The graph of the function f(x)=x^{3}+4x^{2}  -4x-16 is attached. Notice that its roots are x=-4, x=-2 and x=2. Therefore, the right choice is the graph placed at the top-left side.

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Two show your work questions
Svet_ta [14]

Answer:

x = 1; y = 1; z = 0

Step-by-step explanation:

First problem:

First equation minus second equation: 3y + 2z = 3      Eq. A

Second equation plus third equation: 2y + 4z = 2        Eq. B

-2 times Eq. A plus Eq. B: -4y = -4

y = 1

Substitute y = 1 in Eq. A: 3 + 2z = 3

2z = 0

z = 0

Substitute z = 0 and y = 1 in original first equation:

-2x + 2 + 0 = 0

-2x = -2

x = 1

Answer: x = 1; y = 1; z = 0



5 0
3 years ago
The formula for a trapezoid relates the area A, the two bases, a and b, and the height, h.
saveliy_v [14]
I'm assuming the original equation is A= \frac{h(a+b)}{2}
Step 1: Multiply both sides by 2 to eliminate the denominator
Step 2: divide by h
Step 3: subtract a
b= \frac{2A}{h} -a
7 0
3 years ago
a money market fund advertises a simple interest rate of 9% find the total amount received on an investment of 5000 for 17 month
I am Lyosha [343]

Answer:

Step-by-step explanation:

Formula: Simple interest = PRT

P= 5000

R= 9%

T= 17

So, 5000 x 9/100 x 17 = 7650

5 0
3 years ago
Find the values of x and y if (x+2,y)=(3,4).​
gogolik [260]

Answer:

x = 1 and y = 4

Step-by-step explanation:

Solution,

(x+2,y) = (3,4)

Now,

Comparing corresponding elements,

x+2 = 3 , y = 4

or, x = 3 - 2 , y = 4

or, x = 1 , y = 4

Therefore, the value of x is 1 and y is 4.

4 0
3 years ago
Converges and diverged part 4<br>​
Allushta [10]

Answer:

Diverges; no sum

Step-by-step explanation:

This is comparable to:

\sum_{k=1}^\infty a \cdot r^{k-1} where:

r is the common ratio and a is the first term.

The series converges to:

\text{First term}\cdot \frac{1}{1-\text{common ratio}}

if the ratio's absolute value is less than 1.

This is a geometric series.

The common ration is -1.04 .

The first term in the series is 0.001.

Since the absolute value of -1.04 is 1.04>1, the series diverges.

4 0
3 years ago
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