2 years ago

What is the discriminant of -2x to the power of 2 -x-1=0

Mathematics

1 answer:

Lorico [155]2 years ago

8 0

Uhhh 67904- 67903-iwbisbeus e

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Question 3

sergeinik [125]

2x-6=12
+6 +6
2x=18
/2. /2

X=9

The answer is B

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3 years ago

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HELP PLEASE I need an answer ASAP

quester [9]

Answer:

72/97

Step-by-step explanation:

take angle c as reference angle

to find sin c

sin c = opposite / hypotenuse

sin c = 72 / 97

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3 years ago

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To solve n+7=15 you should first

sertanlavr [38]

Answer:

Collect like terms and simplify
Subtract 7 from both sides

Step-by-step explanation:

METHOD 1

$n+7=15\\n =15-7\\n = 8$

METHOD 2

$n+7-7=15-7\\n =8$

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What is the slope and y-intercept of y+3= -1/3

bazaltina [42]

Assuming this is written correctly, with no x in the equation, we just solve for y:

y = -3 - 1/3 = -10/3 = 0 x - 10/3

That's slope-intercept form.

Answer: Slope 0, y-intercept -10/3

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3 years ago

All square roots are irrational

mr_godi [17]

Answer: not all

Step-by-step explanation:

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