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3 years ago

15* Que Equations of lins - Part

Mathematics

1 answer:

Phantasy [73]3 years ago

4 0

There is not a given equation nor ordered pair, so it is impossible to answer this question. I apologise.

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Which of the following equations have exactly one solution? Choose all answers that apply:

muminat

Answer:

Step-by-step explanation:

Well lets look,

If both slopes are different and have different y intercepts they have 1 solution.

So a has 1 solution

Both slopes are different with different y intercepts.

1 solution

Both slopes are different with different y intercepts

1 solution

Different slopes different y intercepts

1 solution.

For proof look at the images below.

Thus,

the answer is a,b,c, and d.

Hope this helps :)

3 0

3 years ago

Multiply to determine how many cubic feet of mulch lexi will need

Aliun [14]

Without any numbers this is hard to calulate

8 0

3 years ago

Of the 300 students at your middle school, only 15% attended this field trip. How many students need to make it to the boat to b

Afina-wow [57]

Answer:

45 students

Step-by-step explanation:

4 0

3 years ago

For what values of x is the expression below defined?? Square root of 2-x

PIT_PIT [208]

I don't know, Sorry, but I will keep looking at it to see if I can figure it out, Sorry

7 0

3 years ago

Find the equation of the line using the point-slope formula. Write all the final equations

vivado [14]

Answer:

$y=\frac{1}{2}x+\frac{5}{2}$

Step-by-step explanation:

We are going to find the slope by lining up the points vertically and subtract, then put 2nd difference over first.

Also you could just use $\frac{y_2-y_1}{x_2-x_1}$ . It is the same thing.

( 5 , 5)

-( 1 , 3)

--------------

4 2

So the slope is 2/4 or 1/2 after reducing.

The point-slope form a line is

$y-y_1=m(x-x_1)$ with a point on the line $(x_1,y_1)=(1,3)$ given and with slope $m=\frac{1}{2}$ given.

$y-3=\frac{1}{2}(x-1)$

We are going to solve this for y and simplify what we can because our goal is y=mx+b; this is slope-intercept form. It is called that because it tells us the slope,m, and the y-intercept,b.

Distribute:

$y-3=\frac{1}{2}x-\frac{1}{2}$

Add 3 on both sides:

$y=\frac{1}{2}x-\frac{1}{2}+3$

Simplify:

$y=\frac{1}{2}x+\frac{5}{2}$

4 0

4 years ago