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malfutka [58]
3 years ago
6

Which equation represents a quadratic function?

Mathematics
1 answer:
Elena-2011 [213]3 years ago
8 0
Quadratic is where the degree of x is 2
I would think 3 is the one that might have been written as y=x² which would be correct
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What equation represents the line that passes through the points(6,-3) and (-4,-9)?
marysya [2.9K]
M = - 3 + 9 / 6 + 4
m = 6 / 10
m = 3/5

- 3 = 3/5 ( 6 ) + c
- 15 = 18 + 5c
5c = - 33
c = - 33/5
y = 3/5x - 33/5
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3 years ago
Hank's gas tank holds 18.5 gallons. If the tank has 6 gallons of gasoline in it, what percent of the tank is empty?
sergij07 [2.7K]

18.5 - 6 = 12.5 gallons empty

12.5 / 18.5 = 0.676

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Answer: 67.6%

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8th Grade Math Equation. Please help! I accept any type of help!
muminat

Hello from MrBillDoesMath!

Answer:

Positive x-intercept =  + sqrt(3)

Negative x-intercept = - sqrt(3)


Discussion:

Generally, the x-intercept of a function g(x) occurs where g(x) = 0. In our case this is

g(x) = 0   =>

3x^2 - 9 = 0     =>                         (add 9 to both sides of the equation)

3 x^2      = 9    =>                         (divide both sides by 3)

x^2 = 9/3 = 3  =>

x = +\- sqrt (3)

Positive x-intercept =  + sqrt(3)

Negative x-intercept = - sqrt(3)



Thank you,

MrB

5 0
3 years ago
Reynard and his friends visited an orchard on Sunday. They picked 12.34 pounds of apples and
Naddik [55]
21.9 pounds

12.34+9.56=21.9
6 0
1 year ago
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