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Alexxx [7]
3 years ago
14

Determine the y-intercept of the following parabola: y = (x - 3)(x + 7)

Mathematics
2 answers:
NARA [144]3 years ago
7 0

Answer:

Step-by-step explanation:

For any function, its y-intercept will be the y value when x = 0.

You can simply plug in 0 for x in the function:

y = (0-3)(0+7)

  = (-3)(7)

  = -21

Therefore, the y-intercept of this parabola is -21.

Fofino [41]3 years ago
4 0

Answer:

The y intercept is -21

Step-by-step explanation:

y = (x - 3)(x + 7)

To find the y intercept, set x =0 and solve for y

y = (0-3) (x+7)

y = -3*7

y = -21

The y intercept is -21

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7w = 87 ; w = 12 I need help
Marysya12 [62]
I don't know what the question is, and I'm guessing that you don't either. All I see here is two statements that disagree with each other. If 7w=87. then w is not 12. And if w=12 then. 7w is not 87.
4 0
3 years ago
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Sammy buys a pound of cheese for $3.69, a pound of ham for $7.99, and a pound of shrimp for $12.99. How much money does Sammy sp
harkovskaia [24]

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24.67

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2 years ago
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The number of hits on a website doubles every month. About 10,600 people visited the website during May. The expression 10,600 ·
Ivanshal [37]

Answer:

The correct option is;

B. 10,600; 2,650; About 10,600 people visited the website in May. About 2,650 people visited the website in March

Step-by-step explanation:

The given parameters are;

The number of people that visit the website every month = 2 × The number of people that visited the website the previous month

The number of people that visit the website during May ≈ 10,600

The number of visitors of the website are given by the expression 10,600 × 2^t

For t = 0, we have;

The number of visitors of the website = 10,600 × 2⁰ = 10,600

For t = -2, we have;

The number of visitors of the website = 10,600 × 2⁻² = 2,650

Therefore, the website had about 10,650 visitors in May and about 2,650 visitors in 2 months earlier in March.

3 0
3 years ago
Which system of the equation is represents by the graph?<br><br><br>​
pashok25 [27]
Sorry just needed points to use this app
3 0
2 years ago
4|m−n| if m=−7 and n=2 i really need to know what this is asap please
vekshin1

Answer:

36

Step-by-step explanation:

Plug in -7 as m and 2 as n into the expression:

4 | m - n |

4 | -7 -2 |

Solve:

4 | -9 |

4(9)

= 36

6 0
2 years ago
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