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3 years ago

6

How many solutions does this system of equations have?

2 answers:

Yuri [45]3 years ago

7 0

Answer: exactly one solution

Explanation: Because the two lines only cross at one point and will never cross again

slamgirl [31]3 years ago

4 0

Answer:

<h2>exactly one</h2>

Step-by-step explanation:

The system of linear equations have:

one solution, infinitely many solutions or no solution.

One solution if the lines intersect.

Infinitely many solutions if the lines are the same (overlap)

There is no solution if the lines are parallel (they do not have a common point).

In the graph, two lines intersect. Therefore, the system of equations has one solution (0, 3).

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Evaluate (4×+4)(7×-3)

Ghella [55]

Answer:

$28x^{2} +16x-12$

Step-by-step explanation:

$(4x+4)(7x+3)$

Apply FOIL method: $(a+b)(c+d)=ac+ad+bc+bd$

$a=4x,b=4,c=7x,d=-3$

$=4x*7x+4x(-3)+4*7+4(-3)$

Apply minus - plus rules

$+(-a)=-a$

$=4*7xx-4*3x+4*7-4*3$

Simplify $4*7xx-4*3x+4*7-4*3$

$4*7xx$

Multiply the numbers: $4*7=28$

Apply exponent rule: $a^{b} *a^{c} =a^{b+c}$

$xx=x^{1+1}$

$=28x^{1+1}$

Add the numbers: $1+1=2$

$=28x^{2}$

$4*3x$

Multiply the numbers: $4*3=12$

$=12x$

$4*7x$

Multiply the numbers: $4*7=28$

$=28x$

$4*3$

Multiply the numbers: $4*3=12$

$=12$

$=28x^{2} -12x+28x-12$

Add similar elements: $-12x+28x=16x$

$=28x^{2} +16x-12$

$28x^{2} +16x-12$

8 0

3 years ago

PLEASE HELP ASAP!!<br> <img src="https://tex.z-dn.net/?f=%5Cfrac%7B3%7D%7B4%7D" id="TexFormula1" title="\frac{3}{4}" alt="\frac{

umka21 [38]

Answer:

-12

Step-by-step explanation:

simplify then multiply then simplify again then divide and then simplify one last time

6 0

3 years ago

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mel-nik [20]

I think -4 not fully sure‍♀️

3 0

3 years ago

What expression must be subtracted from 2x-3y+z to give 3x+2y?

Sati [7]

Answer:

I hope it will help you.....

5 0

4 years ago

Find f (1) pleaseeee

uranmaximum [27]

Answer:

f(1) = 4

Step-by-step explanation:

f(1) = 3(1)^2 -(1) + 2 = 4

Just replace all the x's with 1.

4 0

4 years ago

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