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jonny [76]
4 years ago
5

Complete the factorization of 3x2 – 5x + 2.

Mathematics
2 answers:
Ad libitum [116K]4 years ago
8 0
Multiply the first coefficient (3) and the last term (2) to get 3*2 = 6

We need to find two numbers that

a) multiply to 6
AND
b) add to -5 (middle coefficient)

Such two numbers are -3 and -2
-3 times -2 = 6
-3 plus -2 = -5

So we can break up the -5x into -3x-2x and then factor by grouping

--------------

3x^2-5x+2

3x^2-3x-2x+2

(3x^2-3x)+(-2x+2)

3x(x-1)+(-2x+2)

3x(x-1)-2(x-1)

(3x-2)(x-1)

So the two factors are (3x-2) and (x-1)

The answers are A and C
Svetlanka [38]4 years ago
4 0

Answer:

It's B and D for anyone else that needs it.

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Step-by-step explanation:

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using a single graph paper and the same axes draw the graph of the following equation x-y+1=0 and 3x+2y=12
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Answer:

See attachment

Step-by-step explanation:

We want to graph the following equation:

x-y+1=0

and

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For the first equation: x-y+1=0

When x=0, we have 0-y+1=0---->y=1

We plot the point (0,1)

When y=0, we have x-0+1=0---->x=-1

We plot (-1,0)

We draw a straight line through these two points to get the graph of this line.

For the second equation: 3x+2y=12

When x=0,y=6. So we plot (0,6)

When y=0, x=4, So we plot (4,0)

We draw another straight line through them to obtain the graph in the attachment.

4 0
4 years ago
You are 5.5 feet tall, go to the park and want to know the height of a nearby tree. Using the measurements found, calculate the
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Step-by-step explanation:

3 0
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5 0
3 years ago
Calculate the approximate difference between 1 mile and 2 km.<br>Give your answer in metres. ​
bazaltina [42]

Answer:

Approximate difference between 1 mile and 2 km in meters = 390.66meters

Step-by-step explanation:

I mile =1609.34meters

also 1000m = 1km

therefore 2km = 2 x 1000= 2000m

Approximate difference = 2000m - 1609.34m

=390.66 meters.

 Approximate difference between 1 mile and 2 km in meters = 390.66meters

5 0
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