Y=mx+b where m=slope which is change in y divided by change in x m=(-8-7)/(4-9)=-15/-5=3 so we have y=3x+b now we can use either point, I'll use (9,7), to solve for b or the y-intercept... 7=3(9)+b 7=27+b b=-20so our line is: y=3x-20

5 0

2 years ago

What is the solution to this system?

Rudik [331]

Answer:

x= -8, y= -6/5, z= -6

Step-by-step explanation:

that is the answer

6 0

2 years ago

The product of 4 , and a number increased by 7 , is -36.

Norma-Jean [14]

Answer:

your awnser should be. 4(x + 7 ) = -36

4 0

2 years ago

The marks obtained by students are 10, 13, 12, 15, 25, 30, 20, 35, 40, 18. Calculate the median mark. ​

The marks obtained by students are 10, 13, 12, 15, 25, 30, 20, 35, 40, 18. Calculate the median mark.