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3 years ago

Factor 2x^2 + 8x + 6 Thank You

Mathematics

1 answer:

vampirchik [111]3 years ago

3 0

Factored form: 2(x^2 + 4x + 3)

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3 years ago

Which values of a and b make this system of equations have infinitely many solutions?

Afina-wow [57]

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Answer:

a = 3, b = -8

Step-by-step explanation:

Solving the first equation for y, we get ...

2y +16 = 6x . . . . . given

y = 8 +3x . . . . . . . divide by 2

y = 3x -8 . . . . . . . subtract 8

In order for the system of equations to have infinitely many solutions, the second equation must be the same as this:

y = ax +b

a = 3, b = -8

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3 years ago

L 5.2.3 Quiz: Two-Variable Systems: Substitution

Misha Larkins [42]

Answer:

We get x=3 and y=21

The ordered pair will be: (3,21)

Step-by-step explanation:

We need to use the substitution method to solve the system of equations.

$y = 10x-9\\y = x + 18$

For substitution method we substitute the value of x or y from one equation to other.

Let:

$y = 10x-9--eq(1)\\y = x + 18--eq(2)$

Putting value of y from equation 2 into equation 1

$y=10x-9\\Put\:y=x+18\\x+18=10x-9\\x-10x=-9-18\\-9x=-27\\x=\frac{-27}{-9}\\x=3$

So, we get value of x=3

Now, for finding value of y, We substitute the value of x

Find value of x from equation 2

$y=x+18\\x=y-18$

Now, putting value of x in equation 1

$y=10x-9\\Put\:x=y-18\\y=10(y-18)-9\\y=10y-180-9\\y-10y=-189\\-9y=-189\\y=\frac{-189}{-9}\\y=21$

So, we get value of y=21

So, We get x=3 and y=21

The ordered pair will be: (3,21)

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3 years ago

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Answer: No, it can never be greater. At most it can be equal though.

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Answer:

do you still need this answered?

Step-by-step explanation:

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