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sergey [27]
3 years ago
15

What is the factored form of 4x2 + 12x + 5? A. (2x + 4)(2x + 3) B. (4x + 5)(x + 1) C. (2x + 1)(2x + 5) D. (4x + 1)(x + 5)

Mathematics
2 answers:
skad [1K]3 years ago
8 0
Using the calculator to solve the quadratic equation given above, the roots that can be obtained is -1/2 and -5/2. Hence the answer should be C. Another way to solve this is to get the factors such that the sum is equal to the second term and the third term is the product of the factors
Ivanshal [37]3 years ago
6 0
4x^2 + 12x + 5 =
(2x + 1)(2x + 5)
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It takes Jill 2 hours to run 14.5 miles. At this rate, how far could she run in 3 hours?​
Vanyuwa [196]

Answer:

21.75 miles

Step-by-step explanation:

2 hours=14.5 miles

3 hours=x

2x=14.5*3

x=\frac{14.5*3}{2}

5 0
3 years ago
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How does this polynomial identity work on numerical relationships?<br> (y + x) (ax + b)
Serggg [28]

Let us take 'a' in the place of 'y' so the equation becomes

(y+x) (ax+b)

Step-by-step explanation:

<u>Step 1:</u>

(a + x) (ax + b)

<u>Step 2: Proof</u>

Checking polynomial identity.

(ax+b )(x+a) = FOIL

(ax+b)(x+a)

ax^2+a^2x is the First Term in the FOIL

ax^2 + a^2x + bx + ab

(ax+b)(x+a)+bx+ab is the Second Term in the FOIL

Add both expressions together from First and Second Term  

= ax^2 + a^2x + bx + ab

<u>Step 3: Proof </u>

(ax+b)(x+a) = ax^2 + a^2x + bx + ab

Identity is Found .

Trying with numbers now

(ax+b)(x+a) = ax^2 + a^2x + bx + ab

((2*5)+8)(5+2) =(2*5^2)+(2^2*5)+(8*5)+(2*8)

((10)+8)(7) =(2*25)+(4*5)+(40)+(16)

(18)(7) =(50)+(20)+(56)

126 =126

3 0
3 years ago
The opening balance of the March billing cycle for Bernice's credit card was $2374. If she makes a new purchase of $200 on the 2
Norma-Jean [14]

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Therefore, her average daily balance is $2374.00

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4 0
3 years ago
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One more, one less, ten more, ten less
aleksklad [387]
If you are starting off with zero then your end product would be zero
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3 years ago
Find an equation for the nth term of the arithmetic sequence.
Sunny_sXe [5.5K]

Answer:

asdop

Step-by-step explanation:

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3 years ago
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