3 years ago

N th term of quadratic sequence 3, 11 , 25, 45

Mathematics

1 answer:

choli [55]3 years ago

6 0

The first differences are 8, 14, 20.

The second differences are 6.

Half of 6 is 3, so the first term of the sequence is 3n^2.

If you subtract 3n^2 from the sequence you get 0,-1,-2,-3 which has the nth term of -n + 1.

Therefore your final answer will be 3n^2 - n + 1

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shusha [124]

So the -1 is under the check mark too?

7 0

3 years ago

Find the missing term in the sequence 3 ,-1 ,- 5 ____ -13 a. -6 b. -7 c. -9 d. -11

Reil [10]

Answer:

C. -9

Step-by-step explanation:

The pattern is clearly subtracting 4 each time (or adding -4).

-5 - 4 = -9

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3 years ago

Read 2 more answers

Geometry...Please help as soon as possible please and Thank you so much

Radda [10]

Answer:

They are equal since they are both 90 degree angles.

Step-by-step explanation: Please brainliest? (Sorry if not correct.)

7 0

3 years ago

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Aleks04 [339]

The answer is none of the lines intersect each other, because they are at the same slope, and they do not have a different slope for the lines to be intersected.

3 0

3 years ago

Identify the effect on the graph of replacing f(x) by A f(x)

JulijaS [17]

Answer:

See explanation

Step-by-step explanation:

Required

Effect of replacing $f(x)$ with $f(x - h)$

f(x) is represented as: (x,y)

While

f(x - h) is represented as (x - h, y)

Notice the difference in both is that, the x value in f(x - h) is reduced by a constant h while the y value remain unchanged.

This means that the graph of f(x) will shift horizontally (i.e. along the x-axis) to the left by h units

6 0

3 years ago