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Ostrovityanka [42]
2 years ago
8

Is y=2x + 1 a function

Mathematics
1 answer:
shepuryov [24]2 years ago
4 0
Yes. It's a linear function.
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What is the common difference between the terms in the following sequence?
Ipatiy [6.2K]

Answer:

-6

Step-by-step explanation:

17-6=11

11-6=5

5-6=-1

-1-6=-7

6 0
1 year ago
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2

Step-by-step explanation:

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Juliette [100K]

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2 years ago
How do I find the factor of the trinomial of y^2+7y-30
wel
Find two numbers that multiply to -30 (last term) and add to 7 (middle coefficient)

The two numbers are 10 and -3
10 times -3 = -30
10 plus -3 = 7

Using those two values gets us the two factors (y+10) and (y-3)

Therefore, y^2+7y-30 factors to (y+10)(y-3)

The equation y^2+7y-30 = (y+10)(y-3) is true for all values of y.
7 0
3 years ago
At a historical landmark, candles are used to simulate an authentic atmosphere. A volunteer is currently putting new candles in
myrzilka [38]

Answer:

Each small candleholder holds 3 candles, and each large one holds 5 candles.

Step-by-step explanation:

This question can be solved by a system of equations.

I am going to say that:

x is the number of candles that a small candleholder holds.

y is the number of candles that a large candleholder holds.

24 small candle holders and 3 large candle holders, using a total of 87 candles.

This means that

24x + 3y = 87

Simplifying by 3

8x + y = 29

y = 29 - 8x

14 small candle holders and 7 large candle holders, for a total of 77 candles.

This means that 14x + 7y = 77

Simplifying by 7

2x + y = 11

y = 11 - 2x

Since y = 29 - 8x

11 - 2x = 29 - 8x

6x = 18

x = \frac{18}{6}

x = 3

y = 29 - 8x = 29 - 8*3 = 29 - 24 = 5

Each small candleholder holds 3 candles, and each large one holds 5 candles.

5 0
2 years ago
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