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3 years ago

13

Find an equation of the parabola with vertex (2, -1) and directrix y=-7.

1 answer:

Brums [2.3K]3 years ago

7 0

Answer:

the answer to this is y=7x-15

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Rewrite it as a function and isolate y.

serious [3.7K]

Answer:

f(x) = -5x + 16

Step-by-step explanation:

Slope-Intercept Form: y = mx + b

m - slope

b - y-intercept

Step 1: Define

y + 5x = 16

Step 2: Put into slope-intercept form

Subtract 5x on both sides; y = -5x + 16

Step 3: Rewrite in function notation

f(x) = -5x + 16

5 0

3 years ago

Which of the following shows 2.736 correctly rounded to the tenths place?

Marysya12 [62]

Answer:

2.7 is the correct answer

Step-by-step explanation:

4 0

3 years ago

Tickets to a local movie were sold at $3.00 for adults and $1.50 for students. If 350 tickets were sold for a total of $630.00,

Hatshy [7]

Answer:

Believe

Step-by-step explanation:

8 0

3 years ago

Harry is half as old as Mort. Mort is seven years older than Harry. How old is each boy?

AysviL [449]

Harry is 7 Mort is 14

6 0

3 years ago

If the area of square is 2401 sqaure metre,find the perimeter of the sqaure

Tcecarenko [31]

Answer

P=196

P=4A=4·2401=196

6 0

3 years ago

Read 2 more answers