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3 years ago

7

Which points are on the graph of f(x) = RootIndex 3 StartRoot x EndRoot? Check all that apply. (–27, –3) (–1, 1) (0, 0) (1, 1) (

3, 27)

2 answers:

Vanyuwa [196]3 years ago

6 0

Answer:

(-27,-3) (0,0) (1,1)

Step-by-step explanation:

Because I got it right xD

I am Lyosha [343]3 years ago

6 0

Answer:27,-3 1,1 0,0

Step-by-step explanation:

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Factor each.<br><br><br> Please help!

Naddika [18.5K]

Answer:

1) The factors of $x^2-3x+2=0$ are $\mathbf{(x-1)(x-2)=0}$

Option C is correct.

3) The factors of $x^2+2x-8=0$ are $\mathbf{(x-2)(x+4)=0}$

Option B is correct.

Step-by-step explanation:

1) Factor : $x^2-3x+2=0$

For factoring we need to break the middle term, such that there sum is equal to middle term of expression and product is equal to product of first and last term.

The middle term : -3x

We can break them as (-2x)( -x)

Solving:

$x^2-3x+2=0\\x^2-2x-x+2=0\\x(x-2)-1(x-2)=0\\(x-1)(x-2)=0$

So, factors of $x^2-3x+2=0$ are $\mathbf{(x-1)(x-2)=0}$

Option C is correct.

3) Factor: $x^2+2x-8=0$

For factoring we need to break the middle term, such that there sum is equal to middle term of expression and product is equal to product of first and last term.

The middle term : 2x

We can break them as (4x)( -2x)

Solving

$x^2+2x-8=0\\x^2+4x-2x-8=0\\x(x+4)-2(x+4)=0\\(x-2)(x+4)=0$

So, factors of $x^2+2x-8=0$ are $\mathbf{(x-2)(x+4)=0}$

Option B is correct.

7 0

3 years ago

What percent of 100 is 25? Show you work.

ANEK [815]

.25 its a quarter of 100!

4 0

3 years ago

Read 2 more answers

Factor By Grouping x^2 -30 +225-y^2

SIZIF [17.4K]

The answer is 2x-6 I think

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3 years ago

When one quarter of a number is subtracted from one third of the number, the result is 7

Rzqust [24]

The number ... n
one quarter of the number ... 1/4 of n = 1/4 * n
one third of the number ... 1/3 of n = 1/3 * n
one quarter of the number is subtracted from one third of the number ... 1/3 * n - 1/4 * n
the result is 7 ... = 7

We can put it together:
1/3 * n - 1/4 * n = 7
4/12 * n - 3/12 * n = 7
1/12 * n = 7 /*12
n = 7 * 12
n = 84

The number you are looking for is 84.

5 0

3 years ago

alpha needs to make jerseys for its 33 teachers and set aside some money for their budget to pay for them. the staff has decided

marishachu [46]

So it would be $38 multiplied by 33 which is: $1,254

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3 years ago