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Natali5045456 [20]
1 year ago
14

What is the axis of symmetry of h(x) = –2x2 + 12x – 3?

Mathematics
1 answer:
natka813 [3]1 year ago
7 0

Answer:the Answer is a

Step-by-step explanation:

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Math help please, thank you!
CaHeK987 [17]
The answer to the first question of the attached document is option 1. We obtain the answer subtracting the term n from the series with the term n-1.For example:
 -3 - (- 5) = 2
 -1 - (- 3) = 2
  1 - (- 1) = 2
 So you can see that the common difference is the 2.

 The answer to the second question is option 3:
 y = | x + 7 |
 We can confirm it by substituting values in the equation.
 For example:
 if we do y = 0 then x = -7
 if we do x = 0 then y = 7.
 As corresponds in the graph shown.
 Remember also that as a general rule yes to the equationy = | x | whose vertex is in the point (0,0) we add a positive real number "a" of form y = | x + a | then the graph of y = | x | will move "to" units in the negative direction of x.

 The answer to the third question is option 4.
 The quotient of x and "and" is constant.
 k = y / x
 Rewriting:
 y = kx
 You can see that it corresponds to the equation of a line that passes through the origin, this means that and is proportional to x and both vary directly
3 0
3 years ago
If UV=x+13 and RT=x-37, What is the value of x?
liberstina [14]

Answer:

x = 87

Step-by-step explanation:

the ratio SR / RV is equal the ratio ST / TU (both ratios are equal to 1), and the angle in the vertex S is the same for both triangles SUV and STR, so we can affirm that these triangles are similar (case S-A-S).

Then, we have that the ratio SR / SV is the same as RT / UV:

SR / SV = RT / UV = 1 / 2

RT * 2 = UV

2*(x - 37) = x + 13

2x - 74 = x + 13

x = 87

3 0
3 years ago
4/7 of what number is 28
kozerog [31]

Answer:

44

Step-by-step explanation:

7 0
2 years ago
Read 2 more answers
Please help 15 points
daser333 [38]

Answer:

  1. x- + 10 y- +4
  2. not proportional

Step-by-step explanation:

i think the 1st one is wrong but hope this helps!

3 0
3 years ago
Read 2 more answers
What is the slope of y=2x+1
Eva8 [605]

Answer:

2

Step-by-step explanation:

it is always the number before x, or the given variable

3 0
3 years ago
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