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vredina [299]
1 year ago
14

Find the values of a b and c for the equation y = 4x2- 8x - 12

Mathematics
1 answer:
fomenos1 year ago
8 0

Answer:

a=4, b=-8, c=-12

Step-by-step explanation:

Compare the given equation with the general form y=ax^2 + bx+c.

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Find the fifth term in the sequence
kvv77 [185]

Method 1:

The recursive formula states that every next term is three times the previous one, plus two.

So, we have:

  • a_1 = 1
  • a_2 = 3\cdot 1 + 2 = 3+2 = 5
  • a_3 = 3\cdot 5 + 2 = 15+2 = 17
  • a_4 = 3\cdot 17 +2 = 51+2 = 53
  • a_5 = 3\cdot 53 +2 = 159+2 = 161

Method 2:

You can write the expression for a_5, and use the recursive formula until you get to the starting point:

a_5 = 3a_4+2 = 3(3a_3+2)+2 = 9a_3+8 = 9(3a_2+2)+8 = 27a_2+26 = 27(3a_1+2)+26 = 81a_1+80

Now use the fact that a_1 = 1 to get the conclusion

a_5 = 81+80 = 161

8 0
3 years ago
Describe how the graph of g(x)=x-6 can be obtained from one of the basic graphs. Then graph the function.
umka2103 [35]
Parent function:
units downwards
y =x ; shift 6
6 0
3 years ago
Which equation can be used to solve for x?
Angelina_Jolie [31]

Answer:

X+10=24

Step-by-step explanation:

X+10=24 for 6

X+10=24

5 0
4 years ago
4/r+8/f=5/g solve for f
Olegator [25]

Answer:

Let's solve for f.

4

r

+

8

f

=

5

g

Step 1: Multiply both sides by fr.

4f+8r=

5fr

g

Step 2: Multiply both sides by g.

4fg+8gr=5fr

Step 3: Add -5fr to both sides.

4fg+8gr+−5fr=5fr+−5fr

4fg−5fr+8gr=0

Step 4: Add -8gr to both sides.

4fg−5fr+8gr+−8gr=0+−8gr

4fg−5fr=−8gr

Step 5: Factor out variable f.

f(4g−5r)=−8gr

Step 6: Divide both sides by 4g-5r.

f(4g−5r)

4g−5r

=

−8gr

4g−5r

f=

−8gr

4g−5r

Answer:

f=−8gr4g−5r

7 0
3 years ago
Read 2 more answers
How do you simplify 243?
NNADVOKAT [17]

Answer:

15.6?

Step-by-step explanation:

If you would square it then you would get 15.6.

7 0
3 years ago
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