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nevsk [136]
3 years ago
11

Quadratic equation with root 1 is :-(A) 2x ^ 2 + x - 1 = 0 (B) 2x ^ 2 - x - 1 = 0 (C) 2x ^ 2 + x + 1 = 0 (D) 2x ^ 2 - x + 1 = 0​

Mathematics
1 answer:
ladessa [460]3 years ago
6 0

Answer:

option b is correct

tag me as brilliaiest

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3 years ago
The sky ride at an amusement park spans 2,715 feet. Over the course of the day,
olga_2 [115]

Answer:

C. 19,005 feet

Step-by-step explanation:

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7 0
3 years ago
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2/3x2/3 <br> -1/3x3/5<br> solve then write in simplest form
kramer

Answer:

11/45 is the correct answer

Step-by-step explanation:

2/3 x 2/3 = 4/9

1/3 x 3/5 = 3/15

convert 4/9 - 3/15 common denominators

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4 0
2 years ago
Select the correct answer. A simulated game of chess is programmed between two computers. The game is supposed to be biased in f
pishuonlain [190]

Answer:

C is the most suspicious set.

Step-by-step explanation:

We would expect that B wins 4/5 * 30 =  24 games.

In set  A,  B  wins 23 games.

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In C, B wins  15 games.

In D, B wins 25 games.

So  result C is very suspicious.

7 0
3 years ago
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