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kirill [66]
3 years ago
10

ALGEBRA I /// Relations and Functions help!!! pls

Mathematics
1 answer:
Volgvan3 years ago
5 0
Place the x values (if there are two of the same x value you only include it once) in the first box vertically like:
5
-3
6
2
Place the y values (if there are two of the same y values only include it once) in the 2nd box vertically like:
1.2
7
-3
Now draw lines from your x values to their corresponding y values.
A function may NOT have two y-values assigned to the same x-value, but it may have two x-values assigned to the same y-value.
So this is a function!
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How do you factor x squared minus 100
Alina [70]

Answer:

(x - 10)(x + 10)

Step-by-step explanation:

x² - 100 ← is a difference of squares and factors in general as

a² - b² = (a - b)(a + b)

Hence

x² - 100

= x² - 10² = (x - 10)(x + 10)

6 0
3 years ago
Find the volume of the cone.
Nesterboy [21]

V=πr2h

3=π·22·9

3≈37.69911

4 0
2 years ago
Read 2 more answers
What is the difference between an arithmetic sequence and a geometric sequence?
earnstyle [38]

Answers

Part 1

Arithmetic sequence is a sequence by which the next term is found by adding a constant number. It can be a positive number or a negative number. This number is called the common difference. On the other hand, a geometric sequence is one whose next term is found by multiplying the previous term with a constant (common ratio).


Part 2

Sequences are useful in our daily lives as well as in higher mathematics. For example, the interest portion of monthly payments made to pay off an automobile or home loan, and  the list of maximum daily temperatures in one area for a month are sequences.

<u>Example: arithmetic sequence</u>

A child building a tower with blocks uses 15 for the bottom row. Each row has  2 fewer blocks than the previous row. Suppose that there are 8 rows in the tower. Find an for n = 8.

The number of blocks in each row forms an arithmetic sequence with a₁ = 15 and d= −2. The formula to be used is  an = a₁ + (n − 1)d.

<u>Example: geometric sequence </u>

An insect population is growing in such a way that each new generation is 1.5  times as large as the previous generation. Suppose there are 100 insects in the first  generation.  How many will there be in the fifth generation?

The population can be written as a geometric sequence with a₁ as the first generation  population, a₂ as the second-generation population, and so on. Then the fifth generation  population will be a₅. The formula to be used is an = a₁×r⁽ⁿ⁻¹⁾

3 0
2 years ago
Two questions, both in photo, please help, thanks!
Olegator [25]

Answer:

Step-by-step explanation:

7 no

113+12x+7+90+90=360

300+12x=2=360

12x=360-300

x=60/12

x=5

9 no

10x-6+109+79+20x-2=360

30x+180=360

30x=360-180

x=180/30

x=6

7 0
3 years ago
Simple interest of 668 5% 2 years
ludmilkaskok [199]

Answer:

$66.8

Step-by-step explanation:

The formula for simple interest is |=prt.

P=Principal    R=Rate   T=Time

Now you plug the numbers in |=668*0.05*2

Multiply 668*0.05= 33.4

Then you multiply that by 2= 33.4*2=66.8

That is your answer.

5 0
3 years ago
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