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Naya [18.7K]
2 years ago
14

Which is the equation of the line with slope 3 that contains point (-1,5)?

Mathematics
2 answers:
Elena-2011 [213]2 years ago
7 0
The answer is y-5=3(x+1)
kotegsom [21]2 years ago
4 0

Answer:

D

y-5=3(x+1)

Step-by-step explanation:

We can see that the question is asking for the Point-Slope Form;

y-y_{1} =m(x-x_{1})

The points go into the equation for y_{1} and x_{1}

y-5=m[x-(-1)]

M would be the slope;

y-5=3[x-(-1)]

Which basically is:

y-5=3(x+1)

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6x + 3x² – x – x²<br> yeah im bad at math<br> please help !
juin [17]

Answer:

 x • (2x + 5)

Step-by-step explanation:

Reformatting the input :

Changes made to your input should not affect the solution:

(1): "x2"   was replaced by   "x^2".  1 more similar replacement(s).

STEP

1

:

Equation at the end of step 1

 ((6x +  3x2) -  x) -  x2

STEP

2

:

STEP

3

:

Pulling out like terms

3.1     Pull out like factors :

  2x2 + 5x  =   x • (2x + 5)

5 0
3 years ago
Please solve this equations y=6x²-5,y=17x-6/x​
Amiraneli [1.4K]

Answer:

x=3, y = 49\\x=0.5, y = -3.5\\x=-0.67, y = -2.31

Step-by-step explanation:

y=6x^2-5\\y=17x-\frac{6}{x}

Let's substitute the first equation into the second one.

6x^2-5=17x-\frac{6}{x}

6x^3-17x^2-5x+6=0 - Multiply by x and bring all the terms to one side.

I'll use my graphical calculator to solve this but you could factor:

x=3\\x=0.5\\x=-0.67 (All rounded to 2 decimal places)

Now we can substitute these x values into an equation for y.

y=6x^2 - 5

x=3, y = 49\\x=0.5, y = -3.5\\x=-0.67, y = -2.31

5 0
3 years ago
Need help with these two questions linear relations.
wel

Answer:

b. y = -7x + 4

   1.    y = -7(-5)+ 4 = 35+4= 39

   2. -24= -7x + 4

    -28 = -7x

       4 = x

    3. y = -7(0)+4= 4

    4. 0 = -7x+4

        -4= -7x

         4/7 = x

c. 3y - 5x = 15

 1. 3y - 5(6)

    3y-30=15

    3y=45

      y = 15

   2. 3(-10)-5x=15

        -30-5x=15

         -5x = 45

            x = -9

    3. 3y-5(0)=15

        3y=15

         y=5

    4. 3(0)-5x=15

         0-5x=15

          -5x=15

           x=-3

Step-by-step explanation:

3 0
4 years ago
Which equation could you use to solve for x in the proportion 4/5=9/x?
andre [41]

Answer:

11.25

Step-by-step explanation:

Step 1:

4/5 = 9/x   Proportion

Step 2:

4x = 45    Multiply

Step 3:

45 ÷ 4     Divide

Answer:

x = 11.25

Hope This Helps :)

6 0
4 years ago
Read 2 more answers
Is there anyone that can help me with this problem?
ipn [44]

Answer:

A

Step-by-step explanation:

mnp=wxy

8 0
3 years ago
Read 2 more answers
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