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Leya [2.2K]
3 years ago
5

Write the function in function notation. y=7b+8

Mathematics
1 answer:
sesenic [268]3 years ago
3 0
F(b)=7b+8
you just need to change the x variable. make y into f(x) or in this case f(b)
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Write the quadratic equation in standard form and then choose the value of "b." (2x - 1)(x + 5) = 0
Sunny_sXe [5.5K]
If we were to foil
after experieence

we know
ax²+bx+c=0

and
in form
(ax+b)(cx+d)=0
if we expand it, we get
acx²+bcx+adx+bd=0
or
(ac)x²+(bc+ad)x+(bd)=0
compare to
ax²+bx+c=0
we notice that the middle terms (x terms) are

b=(bc+ad)
so

in form
(2x-1)(1x+5)
b=bc+ad=(-1*1+2*5)=-1+10=9

b=9
or you could just expand it
3 0
2 years ago
In which form is the following function written?<br><br> y+20=8(x+7)^2
Wewaii [24]

Answer:

  (a variation of) vertex form

Step-by-step explanation:

For vertical scale factor "a" and vertex (h, k), the vertex form of the equation for a parabola can be written as ...

  y = a(x -h)^2 +k

If k is subtracted from this equation, an alternate form is ...

  y -k = a(x -h)^2

This latter version of vertex form is the form your equation has, where ...

  • a = 8
  • (h, k) = (-7, -20)

7 0
3 years ago
Write an algebraic expression for the phrase.<br><br> the sum of f and 6
Wittaler [7]

Answer:

f+6

f+6 =(f+6)

6 0
3 years ago
For the triangle shown below, complete the following table.
Virty [35]

Answer:

See below ~

Step-by-step explanation:

<u>Sin A</u> : opposing side of ∠A / hypotenuse

  • <u>3/5</u>

<u>Sin C</u> : opposing side of ∠C / hypotenuse

  • <u>4/5</u>

<u></u>

<u>Cos A</u> : adjacent side of ∠A / hypotenuse

  • <u>4/5</u>

<u></u>

<u>Cos C</u> : adjacent side of ∠C / hypotenuse

  • <u>3/5</u>
6 0
1 year ago
Hurry please, 20 points
nekit [7.7K]

Answer:

Step-by-step explanation:

Parallel slope = -8

Perpendicular slope = 1/8

5 0
3 years ago
Read 2 more answers
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