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alexgriva [62]
3 years ago
10

(3,4) and (12,-2) what is the y intercept

Mathematics
1 answer:
Lapatulllka [165]3 years ago
3 0

Answer:

6

Step-by-step explanation:

First I found the slope, and then I plugged a point into the equation as X and Y, and got the Y-int

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Plissss help I beg you please
RideAnS [48]

Answer:

5a. 5m+2

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7b. $750

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7 0
3 years ago
How would the expression x^2-4 be rewritten using Difference of Squares?
Anna [14]
<span>a2 – b2 = (a + b)(a – b) or (a – b)(a + b).
This is the 'Difference of Squares' formula we can use to factor the expression.

In order to use the </span><span>'Difference of Squares' formula to factor a binomial, the binomial must contain two perfect squares that are separated by a subtraction symbol.

</span><span>x^2 - 4 fits this, because x^2 and 4 are both perfect squares, and they are separated by a subtraction symbol.
All you do here to factor, is take the square root of each term.

√x^2 = x
√4 = 2

Now that we have our square roots, x and 2, we substitute these numbers into the form (a + b)(a - b).
</span>
<span>(a + b)(a - b)
(x + 2)(x - 2)

Our answer is final </span><span>(x + 2)(x - 2), which can also be written as (x - 2)(x + 2), it doesn't make a difference which order you put it in.

Anyway, Hope this helps!!
Let me know if you need help understanding anything and I'll try to explain as best I can.</span>
3 0
3 years ago
Y * x = 20<br><br> y + x = 9 <br><br> what numbers are y and x equal to?
Ksivusya [100]

y = 9 - x
Substitute into
y \times x = 20 \\ (9 - x) \times x = 20 \\  { - x}^{2}  + 9x = 20 \\  {x}^{2}  - 9x  + 20 = 0 \\ (x - 5)(x -4) = 0 \\  x = 5 \: or \: x = 4
When x = 5,
y = 9 - 5 \\ y = 4
When x = 4,
y = 9 - 4 \\ y = 5

x = 5, y = 4
x = 4, y = 5

Hope this helps. - M
4 0
3 years ago
What is the slope of the line that passes through the points (2, 2), and (4,2)​
vfiekz [6]

Answer:

There is no slope. m=0

Step-by-step explanation:

m=\frac{rise}{run}=\frac{2-2}{4-2}=\frac{0}{2}=0

(2, 2) and (4,2)​ makes a horizontal line. All horizontal lines on a graph have no slope.

6 0
3 years ago
8-4(-x+5). <br><br> Mom I can’t find my homework
egoroff_w [7]

Answer:

8-4(-x+5)

8 +4x -20

4x -12

Step-by-step explanation:

8-4(-x+5)

8 +4x -20

4x -12

5 0
3 years ago
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