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4 years ago

Which expression is a quadratic binomial? 3 x 4 −2x x 2 −9x 2 x 4 +9 x 2 −6x−1 7x²

1 answer:

4 0

To solve the problem shown above it is important to know that a binomial is a polynomial that has two terms. When the highest exponent of the binomial is 2, it is a binomial with degree 2, this is also called or know as "quadratic binomial". Therefore, keeping this on mind, you must identify which of the polynomial above has degree 2.

As you can see, the answer is: −6x−1 7x²

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The unit of ratio is expressed in a) Metre b) Gram

GaryK [48]

The unit of ratio is expressed as none. Ratio comprises of similar type of quantities so the units cancel out each other and thus there is no unit for a ratio. There is no unit for ratio. The numbers in the ratio will be of same unit - the unit can be meter or gram or litre or any such unit.

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3 years ago

What is 12×12×13 please answer I am too lazy to do the math

Solnce55 [7]

Answer:

1872

Step-by-step explanation:

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3 years ago

Read 2 more answers

Use segment addition postulate If k is the midpoint of JL, JK=8x+11 and KL = 14x-1, find JL

labwork [276]

8x+11 =14x-1
x=2
plug 2 into the equations to find the lengths then add them
16+11=27=JK
28-1=27=KL
27+27=54
54=JL

6 0

3 years ago

Misaka solved the radical equation x – 3 = square root of 4x-7 but did not check her solutions. (x – 3)2 = square root of 4x-7^2

Minchanka [31]

Answer:

x=8 is a true solution of the radical equation

Step-by-step explanation:

we have

$x-3=\sqrt{4x-7}$

Solve for x

squared both sides

$(x-3)^{2}=4x-7\\\\x^{2}-6x+9=4x-7\\\\ x^{2}-10x+16=0$

Convert to factored form

$x^{2}-10x+16=(x-2)(x-8)$

The solutions are x=2 and x=8

Verify the solutions

For x=2

Substitute in the original equation

$2-3=\sqrt{4(2)-7}$

$-1=1$ ----> is not true

therefore

x=2 is not a true solution of the radical equation

For x=8

Substitute in the original equation

$8-3=\sqrt{4(8)-7}$

$5=5$ ----> is true

therefore

x=8 is a true solution of the radical equation

3 0

4 years ago

If A =

skad [1K]

9514 1404 393

Answer:

see below

Step-by-step explanation:

Carry out the math element by element. For example, ...

c11 = -7a11 +3b11

c11 = -7(8) +3(5) = -41

_____

Additional comment

Matrix operations like this one are easily handled by all spreadsheets and most graphing calculators. Some scientific calculators support matrix operations as well.

3 0

3 years ago