mikewwe13:

https://static.k12.com/nextgen_media/assets/8090415-NG_AL1_O_07_U12_Quiz_03.png The graph models how the population of a particular species of flower in a forest has changed over time. What does the y-intercept represent? A. When initially counted, the flower population was 200. B. It took 200 years for the flower to disappear from the forest. C. The difference between the greatest and least populations was 200. D. The flower population peaked at 200.

1 month ago
mikewwe13:

@Vocaloid

1 month ago
mikewwe13:

The Answer is A

1 month ago
mikewwe13:

y-intercept shows 200

1 month ago
Vocaloid:

yeah good

1 month ago
mikewwe13:

1 month ago
Vocaloid:

any thoughts? the "vertex" is the highest point of the parabola

1 month ago
mikewwe13:

the third one

1 month ago
Vocaloid:

if it's on the ground, that wouldn't be the highest point any other ideas?

1 month ago
mikewwe13:

not third, fourth or second

1 month ago
mikewwe13:

it's first since you said it's the highest

1 month ago
mikewwe13:

or maybe i'm wrong

1 month ago
Vocaloid:

it's asking about the y-coordinate, what physical property does y represent in this situation? height or time?

1 month ago
mikewwe13:

height

1 month ago
Vocaloid:

good, so the y-coordinate of the vertex would be the highest height which answer choice corresponds with this idea?

1 month ago
mikewwe13:

fourth

1 month ago
Vocaloid:

y is height, not time

1 month ago
mikewwe13:

oh i'm sorry

1 month ago
mikewwe13:

second

1 month ago
Vocaloid:

well done

1 month ago
mikewwe13:

https://static.k12.com/nextgen_media/assets/8090417-NG_AL1_O_07_U12_Quiz_09.png The graph models the height of a diver above water, in feet, x seconds after jumping off a springboard. What does the x-intercept represent? A. The diver was in the air for 2 s. B. The springboard was 2 ft above the surface of the water. C. The diver jumped 2 ft above the springboard. D. The diver reached the maximum jump height after 2 s.

1 month ago
mikewwe13:

the answer is A

1 month ago
Vocaloid:

good

1 month ago
mikewwe13:

1 month ago
Vocaloid:

if you look at the parabola, the graph is increasing across a certain range of x values, what would that be?

1 month ago
mikewwe13:

8

1 month ago
mikewwe13:

The answer is first

1 month ago
Vocaloid:

good

1 month ago
mikewwe13:

1 month ago
Vocaloid:

any thoughts or ideas so far? I'm not 100% sure myself but I have a few ideas

1 month ago
mikewwe13:

the answer is either C or D

1 month ago
Vocaloid:

the x-intercept occurs when y = 0, so area = 0, so this can't be the max area remember that x represents the length of the fencing used

1 month ago
mikewwe13:

ok not D

1 month ago
Vocaloid:

[this one is kind of hard to conceptualize, but imagine if they take all of the fencing and lay it out on a straight line, this would give us 0 area and the maximum length of fencing 100]

1 month ago
Vocaloid:

so first one is the best choice

1 month ago
mikewwe13:

correct

1 month ago
mikewwe13:

Thank you so much, i couldn't done it without you, you're so smart

1 month ago
mikewwe13:

but also can i ask one question

1 month ago
Vocaloid:

sure what

1 month ago
mikewwe13:

Can you believe Toys R us are closing down ?

1 month ago
Vocaloid:

it's a little off topic but yeah, online retailers are taking over, personally I don't see it as a bad thing but *shrug*

1 month ago
mikewwe13:

I mean this new generation of kids are over the new technology now and Toys R us are shutting down cause Technology took over

1 month ago
mikewwe13:

every time i see a little kid they're on an ipad or iphone

1 month ago
Vocaloid:

I'm going to close this, you could talk about this in the chat/ or open up a new question in the writing section maybe if you still want to talk about this

1 month ago
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