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dem82 [27]
3 years ago
7

Find the solutions to the system

Mathematics
1 answer:
Musya8 [376]3 years ago
3 0
<span>y=x^2+5x+6
y=4x+12
Solution = (-3,0) and (2,20)

</span><span>y=x^2-3x-1
 y=8x-1
Solution = (0,-1) and (11,87)</span>
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If f(x)=7(x-1)+8, what is the value of f(1)<br>​
irga5000 [103]

Answer:

8

Step-by-step explanation:

f(1)=7(1-1)+8

f(1)=7(0)+8

f(1)=0+8

f(1)=8

4 0
3 years ago
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How can you analyze connections between linear equations and use them to solve problems
Alexeev081 [22]

Answer:

Step-by-step explanation:

One of the more obvious "connections" between linear equations is the presence of the same two variables (e. g., x and y) in these equations.

Assuming that your two equations are distinct (neither is merely a multiple of the other), we can use the "elimination by addition and subtraction" method to eliminate one variable, leaving us with an equation in one variable, solve this 1-variable (e. g., in x) equation, and then use the resulting value in the other equation to find the value of the other variable (e. g., y).  By doing this we find a unique solution (a, b) that satisfies both original equations.  Not only that, but also this solution (a, b) will also satisfy both of the original linear equations.

I urge you to think about what you mean by "analyze connections."  

6 0
3 years ago
What is one point six multiplied by 4
zheka24 [161]
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3 years ago
What's greater -5/7 or -2/7
nadezda [96]

I think -2/7.

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4 0
2 years ago
Find the value of x if a, b, and c are collinear points and b is between a and c. ab=12,bc=5x−2,ac=3x 20
allsm [11]

The value of x is 5, if a, b, and c are collinear points.

According to the given question.

a, b, and c are collinear points.

Which means points a, b, and c both lie in a same line.

b is between a nd c .

Also, ab = 12

bc = 5x - 2

and ac = 3x + 20

Since, b lies in between a and c

Therefore,

ab + bc = ac

12 + 5x - 2 = 3x + 20

⇒ 10 + 5x = 3x + 20

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⇒ 2x = 10

⇒ x = 10/ 2

⇒ x = 5

Therefore, the value of x is 5.

Find out more information about collinear points here:

brainly.com/question/5191807

#SPJ4

6 0
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