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GuDViN [60]
3 years ago
7

Would you solve this by multiplying the second equation by 2 or -2 and why?

Mathematics
2 answers:
alexandr1967 [171]3 years ago
6 0
What’s the equation?
mariarad [96]3 years ago
3 0
Umm can you take a screen shot of the question???
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a student found the slope of a line that passes through the points (1,14) and (3,4) to be 5. what mistake did she make?
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M = (y2-y1)/(x2-x1)
 = (4-14)/3-1
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 = -5
4 0
4 years ago
Which of the following equations is in proper standard form?
hjlf

Answer:

y= 3x+4

Step-by-step explanation:

standard form is always y equals first

3 0
3 years ago
Please help with number 20
Over [174]

Answer:

6x

2

−3−7x

=6x

2

−7x−3

=6x

2

−9x+2x−3

=3x(2x−3)+1(2x−3)

=(2x−3)(3x+1).

Then, f(x)=0⟹2x−3=0 and 3x+1=0.

Therefore, 2x=3 and 3x−−1.

That is, x=

2

3

, x=

3

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.

5 0
3 years ago
In the arithmetic sequence {13,6,−1,−8,…}, what is the common difference? Enter your answer as a number, like this: 42
V125BC [204]

Answer:

-7

Step-by-step explanation:

To find the common difference, you subtract a term from the term after it. For example, in the problem, you can subtract 13 from 6:

6 - 13 = -7

To check you can do the same thing with other consecutive numbers in the sequence like:

-1 - 6 = -7

6 0
3 years ago
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