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Nady [450]
3 years ago
11

-5n^+8n=-4 identifying solutions to quadratic equations- notes

Mathematics
2 answers:
MArishka [77]3 years ago
8 0

Easy, just use the formula of the discriminant,

kifflom [539]3 years ago
7 0

Answer:

if i knew this i would help you but i dont sorry

Step-by-step explanation:

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In the cafeteria, 80 juice boxes were put out for breakfast. After breakfast, there were 20 juice boxes left.
olchik [2.2K]

Answer:

The ratio of juice boxes remaining to juice boxes drunk = 20 / 60 = 1/3

Step-by-step explanation:

6 0
3 years ago
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The graph of a linear equation passes through three of these points: (0, 5), (2, 2), (3, 1), and (4, -1). The point that the gra
dlinn [17]
Label the given points as follows:
A (0, 5)
B (2, 2)
C (3, 1)
D (4, -1)

The straight line has a constant slope. Therefore it should have the same value when any two of the four points are used to calculate the slope.

Try A and B:
Slope = (2 - 5)/(2 - 0) = -3/2

Try A and C:
Slope = (1 - 5)/(3 - 0) = -4/3

Try A and D.
Slope = (-1 - 5)/(4 - 0) = -3/2

Try B and D.
Slope = (-1 - 2)/(4 - 2) = -3/2

Clearly, C does not lie on the straight line.

Answer:  The point that the graph does not pass through is (3,1). 
5 0
3 years ago
[2+(6times8)]-1 plz help
bezimeni [28]

[2+(6times8)]-1

= [2+(6 * 8)] -1

= [2+(48)] -1

= 50  -1

= 49

8 0
3 years ago
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Which of the following points is not collinear with (3, 6) and (-2, -9)?
Lilit [14]
Its B, cause it’s collinear
5 0
3 years ago
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Lines a and b are parallel. If the slope of line a is , what is the slope of line b?
mihalych1998 [28]

Answer:

C. 1/4

Step-by-step explanation:

Parallel lines always have the same slope.

8 0
3 years ago
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