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seraphim [82]
3 years ago
10

PLEASE HELP NEED HELP ASAP!! Which table represents a linear function?

Mathematics
1 answer:
borishaifa [10]3 years ago
3 0
It's the first one.  Note that for each unit increase in x, y increases by 1/2:

outputs are 1/2, 2/2, 3/2, 4/2, corresponding to 1, 2, 3 and 4 as inputs.
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The square root of a number is between 8 and 9. Which of the following could be the value of that number? Select all that apply.
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What are the values of the coefficients and constant term of 0 = 4 – 7x2 + x in standard form?
katen-ka-za [31]

ANSWER

a =  - 7

b = 1

c = 4

EXPLANATION

The given quadratic equation is:

0 = 4 - 7 {x}^{2}  + x

We rewrite in the standard quadratic equation form to obtain,

- 7 {x}^{2}  + x + 4 = 0

Comparing this to the general standard quadratic equation.

a {x}^{2}  + bx + c = 0

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a =  - 7

b = 1

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How do you find a volume of a cube and Rectangular prism and a cylinder? PLEASE HELP ASAP ASAP PLEASSEEEEEEE I BEG YOU
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2 years ago
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Can someone help me with these algebraic expressions? And can you please EXPLAIN OR SHOW YOUR WORK!
lyudmila [28]

Answer:

1.  (3x - 2)(x + 5).

2. 2(x + 4)(x - 2).

3. (2x - 9)(2x + 9).

Step-by-step explanation:

1. f(x) = 3x^2 +13x -10

Try to factor by the ac method:

3 * -10 = -30

We need 2 numbers whose product is -30 and whose sum is + 13.

They are -2 and +15, so we write:

3x^2 + 15x - 2x - 10       Factor by grouping:

= 3x(x + 5) - 2(x + 5)

= (3x - 2)(x + 5).

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= 2(x^2 + 2x - 8)

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= 2(x + 4)(x - 2).

3. 4x^2 - 81    This is the difference of 2 squares so the factors are:

(2x - 9)(2x + 9).

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3 years ago
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