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lukranit [14]
3 years ago
15

Y=(x-1)(x+7) what are the x-intercepts?

Mathematics
1 answer:
Juli2301 [7.4K]3 years ago
5 0
X-int.= = 1, -7

What can be found in parentheses in an equation like this one is switched to positive or negative.
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Find the first three terms of the sequence below. T n = n 2 + 3 n + 4
madam [21]

Answer:

9,14,19

Step-by-step explanation:

You seem to be giving the expression 2n+3n+4.

Now simplify

An = 5n+4

Fill in n

5(1) +4

5(2) +4

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After solving and simplifying you see 9, 14 and 19 are the first 3 terms.

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faltersainse [42]

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user100 [1]

Answer:

x=5+\sqrt{12}

or

x=5-\sqrt{12}

Step-by-step explanation:

x^2-10x+13=0

x^2-10x=-13

x^2-10x+(\frac{10}{2})^2 =-13+(\frac{10}{2})^2

x^2-10x+(5)^2=-13+(5)^2

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(x-5)^2=12

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x-5=\frac{+}{} \sqrt{12}

Add 5

x=5+\sqrt{12}

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