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DedPeter [7]
3 years ago
15

Why is the value of a-1 always less than the value of a.

Mathematics
2 answers:
WARRIOR [948]3 years ago
3 0
<span>The - before the 1 represents it is less, so the -1 will always be less than a, since the - is before the one, and so that means the 1 is less than a.</span>
saveliy_v [14]3 years ago
3 0
-1 means to subtract 1, therefor whatever number you pick for a you subtract 1 therefore a will always be more
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Create at least three equations where the quadratic has a vertex of (-3,-4). Explain how you would do that, please.
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vertex = \binom{ -  \frac{b}{2a} }{ \frac{4ac -  {b}^{2} }{4a} }
5 0
2 years ago
Please help!!!!<br> I'm being timed I will give Branly
lyudmila [28]

Answer:

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4 0
3 years ago
Please help explanation if possible
poizon [28]

Step-by-step explanation:

Hi there!

The given equation is:

y = -2x + 5………………(i)

Comparing the equation with y = mx+c, we get;

m1 = -2

Also another equation of the line which passes through point (-4,2), we get;

(y-2) = m2(X+4)............(ii) { using the formula (y-y1) = m2(x-x2)}

According to the question, they are perpendicular to eachother, So according to the condition of perpendicular lines;

m1*m2 = -1

-2*m2 = -1

or, m2 = 1/2.

Therefore, m2= 1/2.

Now, keeping the value of m2 in equation (ii).

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

y = (1/2)x + 4

Therefore, the required equation is: y = (1/2)x + 4.

<u>Hope</u><u> it</u><u> helps</u><u>!</u>

3 0
2 years ago
If DE + EF = DF, and ____________, then the point E is the midpoint of .
gogolik [260]
<span>DE=EF  hope I helped with your studies :)

</span>
5 0
3 years ago
Rewrite the equation by completing the square.
Dennis_Churaev [7]
Once you complete the square, the simplified version of this equation is

(2x - 1)^2= 0

If you want to solve for x, subtract 1 and divide by 2.

x = 0.5
7 0
3 years ago
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