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Molodets [167]
3 years ago
12

Question 4 of 15

Mathematics
1 answer:
melisa1 [442]3 years ago
5 0
“C” Os the correct answer
You might be interested in
Which expression is not a perfect square trinomial?
puteri [66]

Answer:

Remember that a perfect square trinomial can be factored into the form (a+b)^2

or (a-b)^2

Examples:

(x+2)(x+2) is a perfect sq trinomial --> x^2+4x+4

(x-3)(x-3) is a perfect sq trinomial --> x^2-6x+9

(x+2)(x-3) is not a perfect square trinomial because its not in the form (a+b)^2 or (a-b)^2

Now to answer your question,

for the first one, x^2-16x-64, you cannot factor it so it is not a perfect square trinomial

for the second one, 4x^2 + 12x + 9, you can factor that into (2x+3)(2x+3) = (2x+3)^2 so this is a perfect square trinomial

for the third one, x^2+20x+100 can be factored into (x+10)(x+10) so this is also a perfect square trinomial

for the fourth one, x^2+4x+16 cannot be factored so this is not a perfect square trinomial

Therefore, your answer is choices 2 and 3

Read more on Brainly.com - brainly.com/question/10522355#readmore

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
How can you tell from an equation that a relation is quadratic
monitta

Answer:

if the equation is f(x)=ax^2+bx+c

Step-by-step explanation:

5 0
3 years ago
What number (when written as word) becomes a musical sound if one letter is added to the beginning​
Sav [38]

Answer:

One

Step-by-step explanation:

Add a "t" to "one" and you get "tone", a musical sound.

5 0
3 years ago
What is the HIGHEST common factor<br> of the set of numbers (54, 72, 90}?
suter [353]

Answer:

18

Step-by-step explanation:

54/18=3

72/18=4

90/18=5

6 0
3 years ago
Read 2 more answers
To build a computer, Tom needs to buy a motherboard for £ 120, and a CPU for
maksim [4K]

Answer:

£2200

Step-by-step explanation:

1 computer = £120 + £100

1 computer = £220

10 computers = £220 x 10

10 computers = £2200

7 0
3 years ago
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