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ch4aika [34]
3 years ago
11

Find the product. (2f – 1)^2 =​

Mathematics
2 answers:
Marina CMI [18]3 years ago
7 0

Answer: 4f^2 -4f+1

Step-by-step explanation:

2f-1)^2

This is equal to

(2f-1) * (2f-1)

FOIL

first: 2f*2f = 4f^2

outer: 2f*-1 = -2f

inner: -1*2f = -2f

Last = -1*-1 = 1

Add them together: = 4f^2 -2f-2f+1

Combine like terms 4f^2 -4f+1

S_A_V [24]3 years ago
7 0

Answer:

(2f-1)(2f-1)

2f^2-2f-2f+1

2f^2-4f+1

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Find the equation of the line passing through the point (4,−1) that is parallel to the line 2x−3y=9.
motikmotik

Hey there!

Line passes through (4, -1) & is parallel to 2x -3y=9

Let's start off by identifying what our slope is. In the slope-intercept form y=mx+b, we know that "m" is our slope.

The given equation needs to be converted into slope-intercept form and we can do this by getting y onto its own side of the equal sign.

Start off by subtracting 2x from both sides.

-3y = -2x + 9

Then, divide both sides by -3.

y = (-2x + 9)/-3

Simplify.

y = 2/3x - 3

"M" is simply a place mat so if we look at our given line, the "m" value is 2/3. Therefore, our slope is 2/3.

We should also note that we're looking for a line that's parallel to the given one. This means that our new line has the same slope as our given line. Therefore, our new line has a slope of 2/3.

Now, we use point-slope form ( y-y₁=m(x-x₁) ) to complete our task of finding a line that passes through (4, -1). Our new slope is 2/3 & it passes through (4, -1).

y-y₁=m(x-x₁)

Let's start by plugging in 2/3 for m (our new slope), 4 for x1 and -1 for y1.

y - (-1) = 2/3(x - 4)

Simplify.

y + 1 = 2/3 + 8/3

Simplify by subtracting 1 from both sides.

y = 2/3x + 8/3 - 1

Simplify.

y = 2/3x + 5/3

~Hope I helped!~

7 0
4 years ago
Find the m, b, and write the equation for the following graph:
geniusboy [140]

Answer:

y=3

Step-by-step explanation:

m=0

b=3

3 0
3 years ago
In 2011 i sold 105276 tickets.
mina [271]

Answer:

sorry I don't know the answer of this

6 0
2 years ago
How do I multiply this?
Novay_Z [31]
Oh my goodness . . .

What do you get when you multiply a number by itself ?
Do you get the square of the number ?

And what do you get when you square the square root of a number ?
Is it the number inside the square root ?

For just a second, let's take the quantity (4t - 3) and call it ' Q '.
Then the problem is to multiply
                                                   √Q times √Q .
Isn't that just ' Q ' ?

And is this enough help ?
3 0
3 years ago
Read 2 more answers
Equations with square roots & cube roots
olga nikolaevna [1]

Answer: I'm pretty sure its a or the first one ^w^

Step-by-step explanation:

5 0
3 years ago
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