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vaieri [72.5K]
3 years ago
8

What are the vertex and X intercepts of the graph of the function below Y =(x+4)(x-2)

Mathematics
1 answer:
Alina [70]3 years ago
3 0

Answer:

Vertex:  ( -1 , − 9 )

X intercepts (0,-4)(0,2)

Step-by-step explanation:

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Help look at picture!
Luda [366]

Answer:

<u>Step 1:  Set x to 0 </u>

-2(0) + y = 3

y = 3

(0, 3)

<u>Step 2:  Set x to 1 </u>

-2(1) + y = 3

-2 + y + 2 = 3 + 2

y = 5

(1, 5)

<u>Step 3:  Set x to 2 </u>

-2(2) + y = 3

-4 + y + 4 = 3 + 4

y = 7

(2, 7)

<u>Step 4:  Set x to 3 </u>

-2(3) + y = 3

-6 + y + 6 = 3 + 6

y = 9

(3, 9)

4 0
3 years ago
Read 2 more answers
PLEASE MATH HELP WILL GIVE BRAINLIEST!!
saw5 [17]
Hello,

Answer B

(x-(-5))²+(y-2)²=5²

(x+5)²+(y-2)²=25

5 0
3 years ago
Oose the situation which would best be modeled by an exponential decay function.
alexandr1967 [171]

Answer:

The following would be best modeled by an exponential decay function

A.) An island is being eroded away and loses 10% of its beachfront every year.

D.) A machine depreciates (loses value) by $1000 in its first year, by $2000 in its second, $3000 in its third, etc.

Step-by-step explanation:

The following would be best modeled by an exponential decay function

A.) An island is being eroded away and loses 10% of its beachfront every year.

D.) A machine depreciates (loses value) by $1000 in its first year, by $2000 in its second, $3000 in its third, etc.

6 0
3 years ago
-3/7 + -3/4 by today Plus points
Roman55 [17]

Answer:

-33/28

Step-by-step explanation:

-12/28 + -21/28

= -33/28

you can't simplify it so its -33/28

6 0
2 years ago
Read 2 more answers
Singh works at a restaurant where he is paid by the hour plus time-and-a-half for his hours over 40. Last week he worked 3 hours
Stolb23 [73]

Answer:

The hourly wage is $8.55 per hour

Step-by-step explanation:

Step 1: Determine the expression for the gross pay

Total gross pay=(Unit rate per hour×number of hours(≤40))+(Overtime rate×number of overtime hours)

where;

Total gross pay=$380.48

Unit rate per hour=x

Number of hours=40 hours

Overtime rate=x×(1 1/2)=1.5 x

Number of overtime hours=3 hours

Step 2: Replace to solve for hourly wage

380.48=(x×40)+(1.5 x)×3

40 x+4.5 x=380.48

44.5 x=380.48

x=380.48/44.5

x=8.55

The hourly wage is $8.55 per hour

5 0
3 years ago
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