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3 years ago

What number would you add to both sides of x2 + 7x = 4 to complete the square? o 22

Mathematics

1 answer:

Vika [28.1K]3 years ago

4 0

Answer:

49/4

Step-by-step explanation:

x^2 + 7x = 4

Take the coefficient of x

Divide by 2

7/2

Square it

(7/2) ^2 = 49/4

Add this to each side

x^2 + 7x +49/4= 4+49/4

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svet-max [94.6K]

Answer:

Answer=50

Step-by-step explanation:

hope the picture is good enough for an explanation

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3 years ago

Mr. Jones asked his students to classify the solution(s) to the quadratic equation x^2=24.

bija089 [108]

Qqqqqqqqooejeudmdjdmdndlsbelqbadmd
It’s C

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3 years ago

HELPPP WILL MARK YOU BRAINLIEST

Tems11 [23]

Answer:

BC = 30

Step-by-step explanation:

AC = 48, AC = AB + BC, AB = 2x + 2 , BC = 3x + 6 => AC = 2x + 2 + 3x + 6 =>

=> AC = 5x + 8 , AC = 48 => 5x = 40 => x = 8 , BC = 3x + 6 => BC = 24 + 6 = 30

3 0

3 years ago

Find the inverse function. f(x)=-3x+3

AveGali [126]

Answer:

i think its 1.

Step-by-step explanation:

f(x)=‐3x+3

-3. -3

-3=-3x

divide by -3

1=x

5 0

3 years ago

50 written as a product of its prime fac<br> tors

Maru [420]

Start by identifying any factor of 50 and then rewriting 50 to include that one factor and another:

50 = 5 * 10 5 is prime, but 10 is not. Thus, factor 10:

50 = 5 * 5 * 2 This is 50 as a product of its prime factors 5, 5 and 2.

7 0

3 years ago