3 years ago

Is y=2x(x-2) a quadratic function????

1 answer:

5 0

The graph opens downward, so the vertex is the maximum point of the parabola. Example: The vertex of the parabola y = -(x + 9)2 + 4 is (-9, 4). The graph opens downward, so the vertex is the maximum point of the parabola.
...
If the value of "a" is positive, the parabola will open upward.

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You go out to eat with your family. The subtotal on your bill is $45.90. You must pay a 8% sales tax AND you would like to leave

Eddi Din [679]

Answer:

The answer is 57.83

Step-by-step explanation:

find 8% of 45.90 and add 18% of 45.90 and add them together.

8%*45.90=3.67

18%*45.90=8.26

Add, 45.90+8.26+3.67

The final price of your meal is 57.83

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3 years ago

Trina said $1.05+$2.25 =$3.75 because a dollar and 2 quarters plus 2 dollars and a quarter equals 3 dollars and 3 quarters. Do y

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Answer:it is approximately 4 dollars and 6 cents

Step-by-step explanation:

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2 years ago

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The measure of AngleRST can be represented by the expression (6x + 12)°. Three lines extend from point S. The space between line

DochEvi [55]

Answer:The measure of angle RST is 120\°

Step-by-step explanation:

see the attached figure to better understand the problem

we know that

m<RST=(6x+12)\° -----> equation A

m<RST=78\°+(3x-12)\° -----> equation B

equate equation A and equation B

(6x+12)\°=78\°+(3x-12)\°

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2 years ago

If X = 10 cm, Y = 24 cm, and Z = 26 cm, what is the tangent of A?

omeli [17]

2.4cm is the tangent of A

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2 years ago

What’s the unit rate for 1 eight packs of juice for $4

Phantasy [73]

Answer:

$0.50

Step-by-step explanation:

$4 divided by 8 = $0.50

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3 years ago