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otez555 [7]
2 years ago
13

What is the discriminant of x^2-8x+7=0

Mathematics
1 answer:
tekilochka [14]2 years ago
3 0
The discriminant is 36!
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(X squared+y squared)-(-x squared+y squared)
zmey [24]
X^2 + y^2 - x^2 +y^2

That would be (1x+1y)-(1x+1y)


8 0
3 years ago
Read 2 more answers
Solve the equation and explain each step using apropriate Properties<br> -4(3x+6)+6=-30
Lina20 [59]

Answer:

The answer is x=1

Step-by-step explanation:

-4(3x+6)+6=-30

-12x-24+6=-30

-12x-18=-30

-12x-18+18=-30+18

-12x=-12

-12x/-12=-12/-12

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6 0
2 years ago
The line 2x + 3y = -6 intersects the x axis at (a,0) and the y axis at (0,b) what is a + b ?
USPshnik [31]
2x + 3y = -6 (Subtract 2x from both sides)
3y = -2x - 6 (Divide both sides by 3 to isolate x) which will give you y = -2/3x - 2 and this graphed would cross the x-axis at (-3,0) and the y-axis at (0, -2). So a + b = -5
3 0
3 years ago
Which phrase best describes this polygon?
EleoNora [17]

Answer:

Concave octagon

Step-by-step explanation:

Concave octagon:

  • This polygon has 8 sides. So it is a octagon.
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So, this is a concave octagon

8 0
2 years ago
Which situation is best described by the graph shown?
kramer
Where’s the graph???
8 0
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