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yarga [219]
3 years ago
7

How to find the vertex of y=2x^2+12x+16

Mathematics
1 answer:
kap26 [50]3 years ago
4 0
First you divide 2 on the whole thing to get x^2 by itself then -b/2a and results in (-3,-1)

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Solve the system by substitution.<br> y = 8x – 6<br> y = 2x
motikmotik

Answer:

x = 1

y = 2

Step-by-step explanation:

y =8x - 6  ---------------------------------(I)

y = 2x -------------------------------------(II)

substitute y = 2x in equation (I)

2x = 8x - 6

Add 6 to both sides

2x + 6 = 8x

Subtract 2x from both sides

6 = 8x - 2x

6 = 6x

Divide both sides by 6

6/6 = x

x = 1

Substitute x = 1 in equation (II)

y = 2*1

y = 2

3 0
3 years ago
Read 2 more answers
Austin makes 9 dollars for each hour of work. Write and equation to represent his total pay p after working h hours
PSYCHO15rus [73]

Answer: h x 9 = p

If he works a certain amount of hours and earns 9 dollars for each hour he works (h), you would multiply the two and get an answer (p). :)

6 0
3 years ago
(NEED HELP WILL MARK BRAINLIEST)
Basile [38]

Answer:

All of the above

Step-by-step explanation:

Also, this is a history, not a maths problem

6 0
4 years ago
Please help! Need to confirm my answers.
MariettaO [177]

Answer:

Step-by-step explanation:

Average rate of change is Δy / Δx.

For f(x):

[ f(1) - f(0) ] / (1 - 0)

(1 - 3) / (1 - 0)

-2

For g(x):

[ g(1) - g(0) ] / (1 - 0)

(4 - 3) / (1 - 0)

1

6 0
3 years ago
Simplify the expression 7.8n²+0.5+9n-.0.4-7n+n²​
Natali [406]

The final answer for this question would be.....

8.8n^2+16n+0.1

Hope this helps!!!!

4 0
3 years ago
Read 2 more answers
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