1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
zalisa [80]
3 years ago
10

For the given equation, find the values of a, b, and c, determine the direction in which the parabola opens, and determine the y

-intercept. Decide which table best illustrates these values for the equation:
y = 3 x squared + 2 x minus 8
Table A
a
b
c
up or down
y-intercept
3
2
-8
up
(0,-8)

Table B
a
b
c
up or down
y-intercept
3
2
8
up
(0,-8)

Table C
a
b
c
up or down
y-intercept
3
2
8
up
(0,8)

Table D
a
b
c
up or down
y-intercept
3
2
-8
down
(0,-8)

a.
Table A
c.
Table C
b.
Table B
d.
Table D

Mathematics
1 answer:
Zolol [24]3 years ago
5 0

Answer:

Step-by-step explanation:

In the quadratic

3x^2+2x-8 the sign on the leading coefficient is positive, so the parabola opens upwards. The y-intercept exists where the x's are equal to 0, so the y-intercept is (0, -8). Match that to the table that has those characteristics in it.

You might be interested in
Let x denote the courtship time for a randomly selected female–male pair of mating scorpion flies (time from the beginning of in
gavmur [86]

Complete Question:

a) Is it plausible that X is normally distributed?

b) For a random sample of 50 such pairs, what is the (approximate) probability that the sample mean courtship time is between 100 min and 125 min?

Answer:

a) It is plausible that X is normally distributed

b) probability that the sample mean courtship time is between 100 min and 125 min is 0.5269

Step-by-step explanation:

a)X denotes the courtship time for the scorpion flies which indicates that is a real - valued random variable, and since normal distribution is a continuous probability distribution for a real valued random variable, it is plausible that X is normally distributed.

b) Probability that the sample mean courtship time is between 100 min and 125 min

\mu = 120\\n = 50

P(x_{1}  < \bar{X} < x_{2} ) = P(z_{2}  < \frac{x_{2}- \mu }{SD} ) - P(z_{1}  < \frac{x_{2}- \mu }{SD})

SD = \sqrt{\frac{\sigma^{2} }{n} } \\SD = \sqrt{\frac{110^{2} }{50} } \\SD = 15.56

P(100 < \bar{X}

From the probability distribution table:

P(z_{2}  < 0.32 ) = 0.6255\\ P(z_{1}  < -1.29) = 0.0986

P(100 < \bar{X}

6 0
3 years ago
360 miles traveled on 12 gallons of gasoline
Serggg [28]
Multiply 30 and 12 and your answer will be 360
4 0
3 years ago
Read 2 more answers
Please please help me!
Margarita [4]

Answer:

if i'm not mistaken it's A

6 0
3 years ago
Probability of pulling a green marble out of a bag of coloured marble is 2:5 if you were to pull coloured marbles out of the bag
Slav-nsk [51]

Answer: 171 green marbles

Step-by-step explanation: There are 7 total marbles so 100/7 equals 14.28

Then there is a 2 out of 7 total tries so  14.28 * 2 equals 28.57% chance to get a green marble.

600 * 0.2857 = 171.41 marbles but you cant get half a marble so 171 green marbles.

6 0
3 years ago
Your parents put $500 into an account paying 7 percent interest for you when you were ten. ten years later they tell you that yo
dsp73
The answer is $983.58
8 0
3 years ago
Read 2 more answers
Other questions:
  • Adding and subtracting fractions
    9·2 answers
  • 0.3,0.2,1\3,2\9 put in order from least to greatest
    7·1 answer
  • Will Give BRAINLIEST for CORRECT answer! Please Help! A can of vegetables holds 454 mL of food and is 4.5 in. tall. What is the
    10·2 answers
  • Find the 40th term of this arithmetic sequence.
    13·1 answer
  • The equation of the hyperbola with center at (0, 0) opening horizontally, with a = 2, b = 5 is:
    12·1 answer
  • I don't how how to do this someone please help!​
    7·1 answer
  • 50-3n what is the value of n
    15·1 answer
  • To make the perfect purple hue, the artist used cup of blue paint per batch and cup of red paint per batch. He wanted to make 17
    9·1 answer
  • What is the equation of the line shown in this graph?
    5·1 answer
  • Which is the correct rule to use when converting the complex number z = a + bi to polar coordinates?
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!