All categories

2 years ago

Find the number of real number solutions for the equation. x^2 - 3x + 8 = 0

Mathematics

2 answers:

marishachu [46]2 years ago

8 0

Answer:

Step-by-step explanation:

Read off the coefficients of this quadratic polynomial x^2 - 3x + 8 = 0:

a = 1, b = -3, c = 8.

Now calculate the discriminant, b² - 4ac:

(-3)² - 4(1)(8) = 9 - 32 = -23

Because the discriminant is negative, the two roots will be complex. There are no real roots. Correct answer is B (0).

Oliga [24]2 years ago

4 0

C step by step explaination it cannot be determined because it has no solution

You might be interested in

Miguel is playing a game in which a box contains four chips with numbers written on them. Two of the chips have the number 1, on

boyakko [2]

Answer:

idk what exactly this is asking buut here is my best answer

Step-by-step explanation:

1+1=2(3+5=-1)

since 6 is the possible outcoe .idk what its exacly askign so if u can help with tht that wuld be grest .

Need 1 more brainliest

7 0

3 years ago

Read 2 more answers

Is it weird i got through middle school without knowing how to solve shape degrees?

AnnyKZ [126]

Answer:

Step-by-step explanation:

most people go through mid school cheating

5 0

2 years ago

Read 2 more answers

Cards are dealt, one at a time, from a standard 52-card deck. a if the first 2 cards are both spades, what is the probability th

ratelena [41]

So we already drew two cards and both of them are spades. So that means there are 50 cards and 11 spades left.

Then third card being spades would be 11 / 50

Now there are 10 spades and 49 cards left.
So the probability for fourth card would be 10 / 49

Fifth card would be 9 / 48.

So the probability of next three cards being spades would be
$\dfrac{11}{50}\cdot\dfrac{10}{49}\cdot\dfrac9{48}=\dfrac{33}{3920}\approx\boxed{0.00842}$

Hope this helps.

3 0

3 years ago

An island has some portion submerged in water. Point A on the island is at negative 7 over 3 feet from the surface of the sea. P

sashaice [31]

Answer:

1/6feet

Step-by-step explanation:

Given

Point A on the island = -7/3 feet from the sea surface

Point B on the island = -5/2 from the sea surface

The distance between the two points will be Point A - Point B

Distance between the two points = -7/3 - (-5/2)

= -7/3+5/2

Find the LCM

= {2(-7)+3(5)}/6

= -14+15/6

= 1/6

Hence the distance of the two points from the surface of the sea is 1/6feet

3 0

2 years ago

Read 2 more answers

if alpha and beta are zeroes of polynomial 4x^2-1 obtain a quadratic polynomial whose zeroes are 1/2 alpha+beta and 1/alpha+2 be

AysviL [449]

Ok so 4x2-1 gives us 3

4 0

2 years ago