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Ratling [72]
3 years ago
15

Factor the trinomial: 4x2 - 8x - 5

Mathematics
2 answers:
shtirl [24]3 years ago
6 0
Correct answer is A.

(2x + 1)(2x - 5)
\\2x(2x-5)+1(2x-5)
\\4x^2-10x+2x-5
\\4x^2-x-5
Juliette [100K]3 years ago
5 0

you can always check by expanding the answers to see what matches

well, you can verify yourself by expanding the answer to check what matches

4x2 - 8x - 5 = 4x2 + 2x -10x -5
= 2x(2x+1) - 5(2x+1)
= (2x+1)(2x-5)
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I’m not smart so can someone help me
Bingel [31]

at first plot the point In graph after that measure thatt side and you ll get the answer . thank you

Step-by-step explanation:

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6 0
2 years ago
Find the absolute maximum and absolute minimum values of f on the given interval. f(x) = ln(x2 + 5x + 12), [−3, 1]
Bezzdna [24]
A graphing calculator shows the minimum to be located at the vertex of the quadratic, x = -2.5, and the maximum to be located at the right end of the interval.

The absolute maximum value of f(x) is ln(18) ≈ 2.89037.
The absolute minimum value of f(x) is ln(5.75) ≈ 1.74920.

8 0
3 years ago
Two busses leave Billings at the same time. The Seattle bus heads west on I-90 at a speed of 73 miles per hour while the Chicago
eimsori [14]

Answer:

  3.5 hours

Step-by-step explanation:

The buses are separating from each other at a speed of 73+79 = 152 miles per hour. Since time = distance/speed, the time it takes to be 532 miles apart is ...

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7 0
3 years ago
Read 2 more answers
Find the zeros of the following<br> please solve step by step<br> 1. x³+9x²+26x+24=0
Vlad1618 [11]

Answer: -4, -3, -2

Step-by-step explanation:

By inspection, we know x=-2 is a root.

We can thus rewrite the equation as

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3 0
1 year ago
On a sheet of paper, you have 100 statements written down.
serg [7]

Answer:

50

Step-by-step explanation:

If the first statement its true (At most 0 of the statements are true), there are not true statements in the paper. So, the first statement its false.

Now, if the first statement its false, this mean there must be at least 1  true statement in the paper.

Now, if the second statement its true ( at most 1 of the statements are true) this implies that the third statement its true (if "at most 1" its true, then "as most 2" must be true).

If any statement (besides the first) its true, then all the statement that follows it must be true.

The first non false statement, then, must be the statement made by the person 51:  "At most 50 statements are true"

And the 49 statements that follows are true as well.

5 0
3 years ago
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