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Cloud [144]
2 years ago
9

HELP ME OUT !!!!!!!!!!!!!!!!!!!!!

Mathematics
2 answers:
elena-s [515]2 years ago
5 0

Answer:

y = -3x + 1 is the equation

Leona [35]2 years ago
3 0

Answer:

y = -3x + 1

Step-by-step explanation:

  • Start by picking any two points on the line.

(-1, 4) and (1, -2)

  • Now, use the slope formula to find the slope.

m = y^2 - y^1 / x^2 - x^1

m = -2 - 4 / 1 - (-1)

m = -6 / 1 + 1

m = -6/2

m = -3

So, our slope is -3.

  • Let's find the y-intercept now using the slope-line equation:

y = mx + b

4 = -3(-1) + b

4 = 3 + b

-3   -3

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

1 = b

  • Lastly, let's put our findings into the slope-line equation:

y = mx + b

slope is -3 and y-intercept is 1

y = -3x + 1

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What is the correct method of solving the equation x/3-6=9 for x?
AveGali [126]

Answer: The value of x is 45

Step-by-step explanation:

The equation x/3-6=9 is a linear equation, where x/3 is the same as one-third of x.

Thus it is easily simplified as such:

x/3-6=9

Collect like terms

x/3 = 9 + 6

x/3 = 15

i.e (1/3) of X = 15

To get the value of x, cross multiply

x = 3 x 15

x = 45

Thus, the value of x is 45

6 0
3 years ago
Find the quadratic function ..<br><br> 3x2 - y2 = 9<br><br> x2 + 2y2 = 38
ruslelena [56]

Answer:

Step-by-step explanation:

3x2 - y2 = 9.........(1)

x2 + 2y2 = 38......(2)

Let x^2 = a and y^2 = b

:- the two equations becomes

3a - b = 9..........(3)

a + 2b = 38.......(4)

Multiplying (4) by 3

3a + 6b = 114........(5)

Substracting (3) from (5)

3a - 3a + 6b - (-b) = 114 - 9

6b +b = 105

7b = 105

b = 105/7

b = 15

And 3a - b = 9 putting b = 15

3a - 15 = 9

3a = 15+9

3a = 24

a = 24/3

a = 8

And

x^2 = a

x^2 = 8

x = √8

x = √(4×2)

x = 2√2

Also y^2 = b

y^2 = 15

y = √15

6 0
2 years ago
Little Suzy has 45 pencils at the start of the school year. On the first day of school she gives 10 pencils to her friends. How
salantis [7]
45-10=35
Answer is 35
7 0
2 years ago
Which of the following is a geometric sequence?
lina2011 [118]
Answer: A.

explanation: multiply 2 x 2= 4 then 4 x 2= 8 then 8 x 2= 16 then 16 x 2= 32 so basically your just multiplying every number by the same exact number which is 2
3 0
2 years ago
If f(x) = x/2 -2 and g(x) = 2x^2 + x - 3, find (f+g) (x) A. 2x^2+3/2x +1 B. 2x^2+3/2x-5 C. x^2 - 6 D. 2X^2- x/2 + 1
Fed [463]

Answer:

              \bold{(f+g)(x)=2x^2+\frac32x-5}

Step-by-step explanation:

f(x) =\frac x2-2\quad and\quad g(x) = 2x^2 + x - 3\\\\(f+g)(x)=f(x)+g(x)\\\\(f+g)(x)=\frac12x-2+2x^2+x-3\\\\(f+g)(x)=2x^2+\frac32x-5

5 0
2 years ago
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