When given two points to write an equation, we can only use the first point to us find the y-intercept.

true

false

False

Step-by-step explanation:

We need both points, because one is the y, adn it is what the equation equals to, and the x is the thing that comes after the slope.

Example:

m=2

(3,0)

y=mx+b

0=(2)(3)+b

0=6+b

0-6=b

-6=b

False

Step-by-step explanation:

option 1 is correct.

step-by-step explanation:

y varies inversely with x and constant of variation is 4

the equation will be:

y = k/x

where k =4 so,

y = 4/x

if we put values of x of option 1 in the above equation and find values of y

y = 4/-2 => y =-2

y = 4/-1 => y = -4

y = 4/1 => y = 4

y = 4/2 => y =2

so, all the values of x and y are correct.

if we put values of x given in other options and find value of y we cannot find whole table satisfying the equation.

hence option 1 is correct.