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qwelly [4]
3 years ago
12

Write y=2(x-1)^2-3 in stander form

Mathematics
1 answer:
KengaRu [80]3 years ago
8 0
The standard form for this equation would be y = 2x^2 - 4x -1. This can be computed by expanding first the (x - 1)^2 which is x^2 - 2x +1. Then this will be multiplied by 2 which will give us, 2x^2 - 4x +2. Lastly, we will deduct the 3 from the equation which gives us the final answer of y= 2x^2 - 4x -1.
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What's the value of x when f(x)=58
Natalka [10]
Infinite, because essentially the graph is going to have a horizontal line because f(x)=58/y=58 just means that the y will remain on 58 but the x can have whatever value.
3 0
3 years ago
A rectangle has a width of 3 units. The rectangle's length is 5 times its width.
Korolek [52]

Answer:

width=3

then length=5×3

now,

Area=l×b

= 15×3

=45

8 0
3 years ago
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Find the DISTANCE of line segment AB with point A​
Lelu [443]

Answer:

34

Step-by-step explanation:

x-y

3 0
3 years ago
Dude is making 12 pounds of nut mixture with macadamia nuts and almonds. Macadamia nuts cost $9 per pound and almonds cost $5.25
pshichka [43]

Number of pounds of macadamia nuts is 8 pounds and number of pounds of almonds is 4 pounds.

<u>Step-by-step explanation:</u>

Step 1:

Given total pounds of mixture = 12 pounds, cost of macadamia nuts per pound = $9, cost of almonds per pound = $5.25, total cost of mixture per pound = $7.75.

Let number of pounds of macadamia nuts be x and number of pounds of almonds be 12-x.

Step 2:

Form an equation using the above information.

⇒ 9x + 5.25 (12-x) = 12 × 7.75

⇒ 9x + 63 - 5.25x = 93

⇒ 9x - 5.25x = 30

⇒ 3.75x = 30

⇒ x = 8

Number of macadamia nuts is 8 pounds.

Step 3:

Calculate number pounds of almonds

⇒ Number of pounds of almonds = 12 - x = 4 pounds.

5 0
3 years ago
Daca a+b=82 si a:b=9,r2  afla a si b
MArishka [77]
A+b=82
a:b=9,r=2
a=b*9+2
9b+2+b=82
10b=80
b=8
a=8*9+2=72+2=74
Sper ca asta sa te ajute! :)
Avand in vedere ca aceasta este varianta pentru americani intrebarea ta ar trebui stearsa, pentru varianta in limba romana poti intra pe brainly.ro.Succes! ^^
7 0
3 years ago
Read 2 more answers
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