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snow_tiger [21]
4 years ago
6

Which equations have a leading coefficient of 3 and a constant term of -2?

Mathematics
1 answer:
wel4 years ago
3 0

0 = 3x² + 2x - 2

Perfect example of a leading coefficient (coefficient of the highest degree term) of 3 and a constant term (degree zero) of -2.  CHECK ME

0 = -2 - 3x² + 3

That has a leading coefficient of -3 and a constant of -2+3=1, so don't check me.

0 = -3x + 3x² - 2

CHECK ME.   The order we write the terms doesn't matter; the leading coefficient is on the highest degree, 3x² here.   The constant is -2.

0 = 3x² + x + 2

The leading coefficient is indeed 3 but the constant is a positive two, don't check me.

0 = -1x - 2 + 3x²

CHECK ME.  Again, the written order of the terms doesn't matter; it's the degree that matters.

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3. State if each statement is correct. If it is not correct, then fix the mistake.
olya-2409 [2.1K]

Answer:

All are incorrect

Step-by-step explanation:

Required

Determine which is correct or not

(a)\ 2x * 2x = 4x

This is incorrect because:

2x * 2x = 2 * 2 * x*x

2x * 2x = 4x^2 ---- fixed

(b)\ 3x^3 * 3x^3 = 9x^9

This is incorrect because:

3x^3 * 3x^3 = 3 * 3 * x^3 * x^3

3x^3 * 3x^3 = 9x^(3+3)

3x^3 * 3x^3 = 9x^6 ---- fixed

(c)\ 4x(4x + 5) =8x + 5

This is incorrect because:

4x(4x + 5) =4x * 4x + 4x * 5

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4 0
4 years ago
Solve the following linear system by elimination. Check your solution:
shepuryov [24]

Answer:

(- 1, 1 )

Step-by-step explanation:

x + 5y = 4 → (1)

4x + 12y = 8 → (2)

multiplying (1) by - 4 and adding to (2) will eliminate x

- 4x - 20y = - 16 → (3)

add (2) and (3) term by term to eliminate x

0 - 8y = - 8

- 8y = - 8 ( divide both sides by - 8 )

y = 1

substitute y = 1 into either of the 2 equations and solve for x

substituting into (1)

x + 5(1) = 4

x + 5 = 4 ( subtract 5 from both sides )

x = - 1

As a check

substitute these values into the left side of both equations and if equal to the right side then they are the solution.

- 1 + 5(1) = - 1 + 5 = 4 = right side

4(- 1) + 12(1) = - 4 + 12 = 8 = right side

(- 1, 1 ) is the solution to the system of equations

8 0
2 years ago
The carnival fundraiser at Westville Elementary School raised $300 on Friday. On Saturday, the carnival will raise 480 percent o
stellarik [79]

Answer:

480% of 300= 1440 so they will raise $1440.00

Step-by-step explanation:

3 0
3 years ago
Help plz:))) I’ll mark u brainliest <br> ASAP!!!
baherus [9]

Answer:

The answer is 78

4 0
3 years ago
Read 2 more answers
What is the difference between 8 forty-sevens and 7 forty-sevens
dem82 [27]
Difference, as in, to subtract.

84 - 74 = 10.

The difference is very clear. 84 is bigger than 74.
7 0
3 years ago
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