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tresset_1 [31]
3 years ago
5

Which statements are true about the ordered pair (−4, 0) and the system of equations? {2x+y=−8x−y=−4 Select each correct answer.

The ordered pair (−4, 0) is a solution to the first equation because it makes the first equation true. The ordered pair (−4, 0) is a solution to the second equation because it makes the second equation true. The ordered pair (−4, 0) is not a solution to the system because it makes at least one of the equations false. The ordered pair (−4, 0) is a solution to the system because it makes both equations true. HELP IN THE MIDDLE OF A QUIZ!!!! HELP ASAP!!!!!!!!!!
Mathematics
2 answers:
slamgirl [31]3 years ago
6 0
Sorry its so late but its A B and D! Hope it helps...
natali 33 [55]3 years ago
4 0
The answer is a, b, and c. as is click on everyone except for the ordered pair is false. hope this helps im i k12 aswell. so sorry im late but i hope this help other students.
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Dmitry_Shevchenko [17]

Answer:

First question

Circle A:

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8 0
4 years ago
Y = 23^x
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Answer:

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5 0
3 years ago
Line m is perpendicular to line n if the slope of line m is 3/2 what is the slope of line n
mote1985 [20]

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3 0
3 years ago
(x/x+3)-(8/x+2)=(-13x-6)/(x^2+5x+6)​
Fed [463]

Answer:

x = -9

x = 2

Step-by-step explanation:

Given:

\dfrac{x}{x+3}-\dfrac{8}{x+2}=\dfrac{-13x-6}{x^2+5x+6}

First, note that

x^2+5x+6=x^2+2x+3x+6=x(x+2)+3(x+2)=(x+2)(x+3)

Since x+2 and x+3 stay in the denominator, then

x\neq -2\ \text{and}\ x\neq -3

Now add two fractions which stay in the left part. The common denominator is (x+2)(x+3), so multiply the numerator of the first fraction by (x+2) and the numerator of the second fraction by (x+3) and subtract them in the numerator:

\dfrac{x}{x+3}-\dfrac{8}{x+2}=\dfrac{-13x-6}{(x+2)(x+3)}\\ \\\dfrac{x(x+2)-8(x+3)}{(x+2)(x+3)}=\dfrac{-13x-6}{(x+2)(x+3)}\\ \\x(x+2)-8(x+3)=-13x-6\\ \\x^2+2x-8x-24=-13x-6\\ \\x^2+2x-8x+13x-24+6=0\\ \\x^2+7x-18=0\\ \\x^2+9x-2x-18=0\\ \\x(x+9)-2(x+9)=0\\ \\(x+9)(x-2)=0\\ \\x+9=0\ \text{or}\ x-2=0\\ \\x=-9\ \text{or}\ x=2

3 0
3 years ago
What’s is the answer please?
Vesna [10]
With 10 spots between each 1/10th, the equation for each space would be

(1/10)/10
(Simplify)
1/10*10

1/100

FRACTION: 13/100

DECIMAL: 0.013
5 0
4 years ago
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