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suter [353]
3 years ago
14

Which linear equations have an infinite number of solutions? Check all that apply.

Mathematics
2 answers:
zhannawk [14.2K]3 years ago
4 0
Coinciding lines. These are lines that are on top of one another and go forever.
antiseptic1488 [7]3 years ago
3 0
Anything that has an equation like x<0 or x>0. Also equations like x=x or xy=xy
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The graph of f(x) = x3 + 6x2 + 12x + 8 is shown. Based on the graph, how many real number solutions does the equation x3 + 6x2 +
lianna [129]
SEE ATTACHED IMAGE TO OBSERVE THE GRAPH OF THE FUNCTION.
 For this case, the first thing we should see are the cut points with the x axis.
 We note that the graph cuts to the x-axis at x = -2
 Therefore, x = -2 is the real solution to the polynomial.
 Also this function:
 x3 + 6x2 + 12x + 8
 It can be rewritten as:
 (x + 2) ^ 3
 From where we conclude that its roots are:
 x = -2 (with multiplicity 3)
 Answer:
 
the equation x3 + 6x2 + 12x + 8 = 0 have:
 
x = -2
 
As a real solution with multiplicity 3.

5 0
3 years ago
Read 2 more answers
9. Complete the reasons in the proof below.
Arada [10]
For a), this is clearly a given as it is literally to the right of where it says “Given:”
For b), since ON bisects ∠JOH, this means that it splits it into two separate angles - JON and HON, which are similar due to that bisects mean that it splits it equally into two halves
For c), since NO is the same thing as NO, it is equal to itself
For d), since AAS (angle-angle-side) congruence states that if there are two angles that are congruent (proved in a) and b) ) as well as that a side is congruent (proved in c) ), two triangles are congruent
For e), since two triangles are congruent, every side must have one side that it matches up to in the other triangle. As the opposite side of angle H is JO and the opposite side of angle J is OH, and ∠J=∠H, those two are congruent. As JN and HN are the two sides left, they must be congruent.

Feel free to ask further questions!
4 0
4 years ago
Please answer hhshshshnsnshhshshsh
abruzzese [7]

Answer:

a) linear pair angles: 1&2, 2&3, 3&4, 1&4... etc (any angles that are adjacent, or right next, to each other that add up to be 180 degrees)

b) All linear pair angles are adjacent angles but not all adjacent angles are linear pairs. So pick any linear pair angle you got because they will always be adjacent. (1&2, 2&3, 3&4, 1&4... etc)

c) vertically opposite angles: 1&3, 2&4, 5&7, 6&8, 9&11, 10&12

Step-by-step explanation:

3 0
3 years ago
Evaluate the expression
Lilit [14]

Answer:

<h2>2^7</h2>

Multiply

2^3 by 2^4 by adding the exponents.

Use the power rule

a^m a^n=a^m+n

to combine exponents.

2^3+4

Add 3 and 4.

2^7

Raise 2 to the power of 7.

128

Step-by-step explanation:

Hope it is helpful....

7 0
3 years ago
The line y = 2x +k is a tangent to the curve x² + 2xy + 20 = 0.
emmasim [6.3K]
A is 23.4 and b should be k point at 26
3 0
3 years ago
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