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3 years ago

−3x^2−4x+7 answer this problem please - algebra - factoring

Mathematics

2 answers:

Airida [17]3 years ago

8 0

Answer:

-(x-1) (3x+7)

Step-by-step explanation:

disa [49]3 years ago

7 0

Answer:

-((x - 1)(3x + 7))

Step-by-step explanation:

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What is the solution for the inequality x-40>20

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Answer:

x= 60

Step-by-step explanation:

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Write four hundred eighty-five thousandths as a decimal number.

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Answer:

0.485

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2 years ago

Could someone help and explain it to me?

stiks02 [169]

Answer:

i don't have signs so bare with me x is less than -3

Step-by-step explanation:

move the constant to the right and you change the sign

you add 8+13 once your done with that

than you divide both sides by -7 and flip the inequality sign

hope this helps

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2 years ago

CAN SOMEBODY PLEASE ANDWER THIS!! Given the function f(x)= 14x^2 + 5x - 1 if you could change the 14 to any other number, but th

dybincka [34]

$a {x}^{2} + 5x - 1 = 0 \\ 25 + 4a = 0 \\ a = \frac{ - 25}{4} = - 6.25$

4 0

3 years ago

If the coordinates of a quadrilateral composed in the first quadrant of the coordinate plane are (0,0), (0,b), (a,b), and (a,0),

tatuchka [14]

Answer: Option 'B' is correct.

Step-by-step explanation:

Since we have given that the coordinates of a quadrilateral in the first quadrant of the coordinate plane are (0,0), (0,b), (a,b), and (a,0),

Distance between AB is given by

$\sqrt{(0-0)^2+(0-b)^2}\\\\=\sqrt{b^2}\\\\=b\ units$

Similarly,

Distance between CD is given by

$\sqrt{(a-a)^2+(0-b)^2}\\\\=\sqrt{b^2}\\\\=b\ units$

On the other hand,

Distance between BC is given by

$\sqrt{(a-0)^2+(b-b)^2}\\\\=\sqrt{a^2}\\\\=a\ units$

Distance between AD is given by

$\sqrt{(0-a)^2+(0-0)^2}\\\\=\sqrt{a^2}\\\\=a\ units$

Since the lengths of opposite sides are equal,

So, it satisfies the property of rectangle.

Hence, Option 'B' is correct.

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3 years ago

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