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S_A_V [24]
3 years ago
14

Convert equation y = 3x^2 - 24x + 0.5 to vertex form by completing the square.

Mathematics
1 answer:
dedylja [7]3 years ago
8 0

Answer:

y=3(x-4)^{2}-47.5

Step-by-step explanation:

I did it in my notebook.

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Marysya12 [62]
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3 years ago
Kylie explained that (negative 4 x + 9) squared will result in a difference of squares because (negative 4 x + 9) squared = (neg
Eva8 [605]

Given:

The given expression is:

(-4x+9)^2

According to Kylie,

(-4x+9)^2=(-4x)^2+(9)^2

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To find:

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Solution:

We have,

(-4x+9)^2

According to the perfect square trinomial (a+b)^2=a^2+2ab+b^2.

(-4x+9)^2=(-4x)^2+2(-4x)(9)+(9)^2

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Kylie did not understand that this is a perfect square trinomial, and she did not determine the product correctly.

Therefore, the correct option is C.

4 0
3 years ago
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Simplify the following expressions need help plz help!!
Gnesinka [82]

Answer:

Find the common like terns in each expression!

Step-by-step explanation:

For example A:

+3y +2x -2y +5z

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I WILL GIVE 20 POINTS TO THOSE WHO ANSWER THIS QUESTION RIGHT NOOOO SCAMS AND EXPLAIN WHY THAT IS THE ANSWER
WINSTONCH [101]

c = 39

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2 years ago
What is the sum of (1-5q)+2(2.5q+8)
bogdanovich [222]

Answer:

17

Step-by-step explanation:

Eliminating parentheses, we have ...

... 1 - 5q +2·2.5q +2·8

... = 1 -5q +5q +16 . . . . . carry out the multiplication

... = q(-5+5) +(1 +16) . . . . group like terms

... = q·0 +17 . . . . . . . . . . . combine like terms

... = 17

8 0
3 years ago
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